i know that... I first used the i for patternindex, but as i got the wierd result, i tried starting at pattern 20. when that didnt work, i tried using only pattern 0, wich is a 32x32 grass-tile (wich should not have any blank space).

heres a pic:


if i adjust the width of the window, i can make it look "all-right" at some point, and i can make the blank-stripes get wider, and i can get more of them. it's really weird.... :?