Open ps2 loader 0.8 problems

Im using opl version 0.8 and im trying to play
Shadow of the Colossus
Jak 3
Dragon ball z budakai 3
Non of them work and Dbz is compatible and so is shadow of the colossus but dbz freezes on a dark dark red screen and jak 3 and shadow of the colossus run but the screen keep doing a weird thing like the cables are loos someone please help
i hacked using cogswap and i have opl 0.8 and free mcboot

i also have a ps2 phat

Are you loading from USB, HDD, or LAN? Many USB problems are caused by fragmented files, try defragging the files. HDD problems might be caused by a bad ISO file, try re-ripping from the original disk using ImgBurn or DVD Decrypter.