Mega Man legends 2 help?

I'm running this game on ePSXe with the Delta v2.01 frontend, using Pete's Open GL Driver ver. 2.9 for the graphics, my Graphics card is a ATI Radeon HD 3200, and my processor is a AMD Phenom X4. I got the ISO from this site, so I'm pretty sure that isn't the problem. In order to run the game, I have to mount it on Deamon Tools power ISO dealy, because I just get an endless black screen after the capcom logo if I try to run it as an ISO. The only problem I have now is the fact that there are all sorts of polygons missing in gameplay, like floor panels, parts of people/reaverbots, and this really messed up looking sky, where there are like... cross sections of a screen that I saw before all cascaded on top of each other. (with clouds and blue sky in between) I've played all the way up to the attacking the birdbots, with no other problems, except for some minor slowdown in Yosokuloke village (or whatever it's called) and a couple stuttery/desynched sounds.

 

Thanks for the Advice, worked for me now, using DX6

 

Thank you very much. I couldn't find the DX7 plugin, so I'm using six, but it doesn't matter because my game's running perfectly. 8)