This archive contains my collection of 4-color backgrounds 
in 640x512 and 640x256 (total 90 pics), converted from some pictures with 
suitable palette you might like to try out.

You can see also gallery here: 
http://exec.pl/wydarzenie.jsp?nid=6088&Workbench_w_4_kolorach

Have fun

PERMISSION  UID  GID    PACKED    SIZE  RATIO METHOD CRC     STAMP     NAME
---------- ----------- ------- ------- ------ ---------- ------------ ----------
[generic]                 4635    7742  59.9% -lh5- 391f Dec  2  1980 Wallpapers/Amiga/A1200.iff
[generic]                 6431   11230  57.3% -lh5- ffd5 Dec  2  1980 Wallpapers/Amiga/A1200a.iff
[generic]                15618   26270  59.5% -lh5- dca9 Dec  2  1980 Wallpapers/Amiga/A1200b.iff
[generic]                12724   19638  64.8% -lh5- 8106 Dec  2  1980 Wallpapers/Amiga/A1200c.iff
[generic]                25932   41338  62.7% -lh5- 59ab Dec  2  1980 Wallpapers/Amiga/A1200c640512.iff
[generic]                26328   32774  80.3% -lh5- b807 Dec  2  1980 Wallpapers/Amiga/A3000.iff
[generic]                 6517   11260  57.9% -lh5- 1d36 Dec  2  1980 Wallpapers/Amiga/A3000a.iff
[generic]                11751   22206  52.9% -lh5- 1c2e Dec  2  1980 Wallpapers/Amiga/A3000a640512.iff
[generic]                 8391   13540  62.0% -lh5- 7685 Dec  2  1980 Wallpapers/Amiga/A4000.iff
[generic]                 3094    9546  32.4% -lh5- 3f02 Dec  2  1980 Wallpapers/Amiga/Amiga.iff
[generic]                 4997   38566  13.0% -lh5- d775 Dec  2  1980 Wallpapers/Amiga/Amiga2.iff
[generic]                 8536   11938  71.5% -lh5- cce5 Dec  2  1980 Wallpapers/Amiga/Amiga3.iff
[generic]                 9114   11932  76.4% -lh5- 8727 Dec  2  1980 Wallpapers/Amiga/AmigaAngry.iff
[generic]                17720   23942  74.0% -lh5- c15f Dec  2  1980 Wallpapers/Amiga/AmigaAngry640512.iff
[generic]                11917   17142  69.5% -lh5- 5521 Dec  2  1980 Wallpapers/Amiga/AmigaBox.iff
[generic]                22951   34326  66.9% -lh5- a60d Dec  2  1980 Wallpapers/Amiga/AmigaBox640512.iff
[generic]                 6584   16310  40.4% -lh5- 6210 Dec  2  1980 Wallpapers/Amiga/AmigaWorld.iff
[generic]                 1863   10118  18.4% -lh5- 1127 Dec  2  1980 Wallpapers/Amiga/Boing.iff
[generic]                 6415   12616  50.8% -lh5- bf34 Dec  2  1980 Wallpapers/Amiga/Boing2.iff
[generic]                10588   17164  61.7% -lh5- fdf1 Dec  2  1980 Wallpapers/Amiga/Boing3.iff
[generic]                19573   34148  57.3% -lh5- f9c6 Dec  2  1980 Wallpapers/Amiga/Boing3640512.iff
[generic]                 7143   10638  67.1% -lh5- e8a4 Dec  2  1980 Wallpapers/Amiga/JayMiner.iff
[generic]                14519   21408  67.8% -lh5- ac7a Dec  2  1980 Wallpapers/Amiga/PetroCar.iff
[generic]                 6662   10654  62.5% -lh5- b5fa Dec  2  1980 Wallpapers/Amiga/Trevor.iff
[generic]                15605   23890  65.3% -lh5- a381 Dec  2  1980 Wallpapers/Amiga/Trevor640512.iff
[generic]                 8487   14664  57.9% -lh5- a8eb Dec  2  1980 Wallpapers/Amiga/X1000.iff
[generic]                 1367    4210  32.5% -lh5- cd67 Dec  2  1980 Wallpapers/Games/8BitKiller.iff
[generic]                 1374    6140  22.4% -lh5- a184 Dec  2  1980 Wallpapers/Games/8bitKiller2.iff
[generic]                 3985    8966  44.4% -lh5- 15a3 Dec  2  1980 Wallpapers/Games/ArcadePool.iff
[generic]                15365   24980  61.5% -lh5- 5edb Dec  2  1980 Wallpapers/Games/CannonFodder.iff
[generic]                12721   18434  69.0% -lh5- a78a Dec  2  1980 Wallpapers/Games/Chess.iff
[generic]                11051   16714  66.1% -lh5- fb0a Dec  2  1980 Wallpapers/Games/Chess2.iff
[generic]                18792   30868  60.9% -lh5- b886 Dec  2  1980 Wallpapers/Games/Chess2640512.iff
[generic]                23760   33382  71.2% -lh5- e936 Dec  2  1980 Wallpapers/Games/Chess640512.iff
[generic]                12275   23130  53.1% -lh5- 9705 Dec  2  1980 Wallpapers/Games/Flashback.iff
[generic]                 1417    4022  35.2% -lh5- d836 Dec  2  1980 Wallpapers/Games/FootballGlory.iff
[generic]                 2317    5818  39.8% -lh5- 3a4e Dec  2  1980 Wallpapers/Games/FootballGlory2.iff
[generic]                 4617   10674  43.3% -lh5- 7ae2 Dec  2  1980 Wallpapers/Games/Giana.iff
[generic]                16373   24692  66.3% -lh5- d8c6 Dec  2  1980 Wallpapers/Games/Gloom.iff
[generic]                15214   22990  66.2% -lh5- bda3 Dec  2  1980 Wallpapers/Games/Labyrinth.iff
[generic]                 3459    6928  49.9% -lh5- 104e Dec  2  1980 Wallpapers/Games/Midwinter.iff
[generic]                 3567    6844  52.1% -lh5- e15e Dec  2  1980 Wallpapers/Games/Midwinter2.iff
[generic]                 6169   14602  42.2% -lh5- a401 Dec  2  1980 Wallpapers/Games/Superfrog.iff
[generic]                  228     298  76.5% -lh5- 6de6 Dec  2  1980 Wallpapers/Icons/ed.info
[generic]                  145     218  66.5% -lh5- cb6f Dec  2  1980 Wallpapers/Icons/fd.info
[generic]                  274     494  55.5% -lh5- ca60 Dec  2  1980 Wallpapers/Icons/pc.info
[generic]                  264     422  62.6% -lh5- c460 Dec  2  1980 Wallpapers/Icons/ram.info
[generic]                24722   30086  82.2% -lh5- 22e6 Dec  2  1980 Wallpapers/Movies/Matrix.iff
[generic]                17704   24220  73.1% -lh5- 1ca6 Dec  2  1980 Wallpapers/Movies/Matrix2.iff
[generic]                14555   20372  71.4% -lh5- 7255 Dec  2  1980 Wallpapers/Movies/MatrixMorpheus.iff
[generic]                22416   27574  81.3% -lh5- 3b5a Dec  2  1980 Wallpapers/Movies/MatrixNeo.iff
[generic]                14227   21006  67.7% -lh5- bd94 Dec  2  1980 Wallpapers/Movies/MatrixNeo2.iff
[generic]                29731   42516  69.9% -lh5- b65c Dec  2  1980 Wallpapers/Movies/MatrixNeo2640512.iff
[generic]                16189   25012  64.7% -lh5- 9567 Dec  2  1980 Wallpapers/Movies/MatrixNeo3.iff
[generic]                29865   47998  62.2% -lh5- 9bb5 Dec  2  1980 Wallpapers/Movies/MatrixNeo3640512.iff
[generic]                11649   16528  70.5% -lh5- 24d4 Dec  2  1980 Wallpapers/Movies/MatrixSmith.iff
[generic]                10571   16670  63.4% -lh5- c640 Dec  2  1980 Wallpapers/Movies/MatrixSmith2.iff
[generic]                21265   32510  65.4% -lh5- 4dc5 Dec  2  1980 Wallpapers/Movies/MatrixSmith640512.iff
[generic]                16634   22878  72.7% -lh5- d579 Dec  2  1980 Wallpapers/Movies/Predator.iff
[generic]                32222   45450  70.9% -lh5- 4e7f Dec  2  1980 Wallpapers/Movies/Predator640512.iff
[generic]                10509   13794  76.2% -lh5- ad24 Dec  2  1980 Wallpapers/Movies/Spaceship.iff
[generic]                16067   21444  74.9% -lh5- 2b09 Dec  2  1980 Wallpapers/Movies/Spaceship640512.iff
[generic]                 7949   14918  53.3% -lh5- 74bd Dec  2  1980 Wallpapers/Movies/Sponge.iff
[generic]                 8227   13806  59.6% -lh5- f1f3 Dec  2  1980 Wallpapers/Movies/Sponge2.iff
[generic]                 8102   13030  62.2% -lh5- 63f5 Dec  2  1980 Wallpapers/Movies/Terminator.iff
[generic]                12586   17188  73.2% -lh5- f1a4 Dec  2  1980 Wallpapers/Movies/Terminator2.iff
[generic]                23847   34286  69.6% -lh5- 7b77 Dec  2  1980 Wallpapers/Movies/Terminator2640512.iff
[generic]                13542   18708  72.4% -lh5- b4bb Dec  2  1980 Wallpapers/Movies/Terminator3.iff
[generic]                25909   37316  69.4% -lh5- c75c Dec  2  1980 Wallpapers/Movies/Terminator3640512.iff
[generic]                14520   25954  55.9% -lh5- db7c Dec  2  1980 Wallpapers/Movies/Terminator640512.iff
[generic]                13014   18448  70.5% -lh5- 95bf Dec  2  1980 Wallpapers/Movies/Tron1.iff
[generic]                24341   36070  67.5% -lh5- c408 Dec  2  1980 Wallpapers/Movies/Tron1640512.iff
[generic]                20082   34030  59.0% -lh5- 61d6 Dec  2  1980 Wallpapers/Movies/Tron2640512.iff
[generic]                26119   38606  67.7% -lh5- 944b Dec  2  1980 Wallpapers/Movies/Tron3640512.iff
[generic]                31062   49650  62.6% -lh5- 1d33 Dec  2  1980 Wallpapers/Movies/Ufo640512.iff
[generic]                21684   27400  79.1% -lh5- 1f39 Dec  2  1980 Wallpapers/Others/Bubbles.iff
[generic]                 3064    6242  49.1% -lh5- 9cf6 Dec  2  1980 Wallpapers/Others/Cube.iff
[generic]                13602   20128  67.6% -lh5- d479 Dec  2  1980 Wallpapers/Others/Cube2.iff
[generic]                23414   35762  65.5% -lh5- c8c0 Dec  2  1980 Wallpapers/Others/Cube2640512.iff
[generic]                 3231    6038  53.5% -lh5- 8589 Dec  2  1980 Wallpapers/Others/Exec.iff
[generic]                 8434   14878  56.7% -lh5- 408c Dec  2  1980 Wallpapers/Others/Monalisa.iff
[generic]                19643   27794  70.7% -lh5- 4004 Dec  2  1980 Wallpapers/Others/SantaHouse.iff
[generic]                20568   28250  72.8% -lh5- 4c46 Dec  2  1980 Wallpapers/Others/Theatre.iff
[generic]                20110   28934  69.5% -lh5- 1a80 Dec  2  1980 Wallpapers/Others/Water.iff
[generic]                22395   28736  77.9% -lh5- f389 Dec  2  1980 Wallpapers/Scenery/City.iff
[generic]                27702   35062  79.0% -lh5- c9f9 Dec  2  1980 Wallpapers/Scenery/City2.iff
[generic]                10193   19416  52.5% -lh5- cef0 Dec  2  1980 Wallpapers/Scenery/Clouds.iff
[generic]                24307   27732  87.6% -lh5- 2c1d Dec  2  1980 Wallpapers/Scenery/Moon.iff
[generic]                48398   55458  87.3% -lh5- 30a8 Dec  2  1980 Wallpapers/Scenery/Moon640512.iff
[generic]                16984   20932  81.1% -lh5- 4d83 Dec  2  1980 Wallpapers/Scenery/Mountains.iff
[generic]                17420   23740  73.4% -lh5- c5e0 Dec  2  1980 Wallpapers/Scenery/Pyramid.iff
[generic]                33958   48268  70.4% -lh5- c6b2 Dec  2  1980 Wallpapers/Scenery/Pyramid640512.iff
[generic]                26012   30226  86.1% -lh5- 3a34 Dec  2  1980 Wallpapers/Scenery/WinterChurch.iff
[generic]                26378   30346  86.9% -lh5- 2d8f Dec  2  1980 Wallpapers/Scenery/WinterLake.iff
---------- ----------- ------- ------- ------ ---------- ------------ ----------
 Total        94 files 1353952 2045236  66.2%            Dec  1 20:35