I currently just have one:
My jumper gets invisible during the takeoff, all of the jumps (also in replays)
Screen: http://i52.tinypic.com/2qszdqf.jpg
Ok with the screen I just noticed, that he gets half white and half invisible... And if you pause the replay at the table on F1 the white parts of the jumper move, so it kinda looks as if he's got worms inside

Hardware:
Windows XP Professional @ Service Pack 2
Intel Core2Duo T8300 , 2,4 ghz
2gb Ram
Intel 965 Chipset Onboard Graphics Accelerator
PS: Jussi, can you make a sticky out of this, so that everyone will use it? I think the forum will stay more clean that way...