In the latest version of Recuva, it recovers BMP files fine, but the preview pane shows them in inverted colors? Whereas JPG looks the same in preview and after being recovered!
P.S. This is on XP PRO - SP2 1 GB DDR ram, 80 GB harddisk, P4 3.2 GHZ dual core, 128 MB onboard video mem, DX 9.0 with a clean install of Recuva (other version is totally & completely removed (yes, I checked the program folder after uninstalling).