Ridge Racers(Asian version) is a slideshow :(

[gespenst]

Try to download the latest svn from here instead.
http://buildbot.orphis.net/jpcsp/

Video configuration:
-vertex cache, shader
-Enable save GE screen to texture
-Dynamic shader generation

Memory:
-Ignore invalid memory access

Media:
-All the first 3 (but it depends if you haven't installed SonicStage yet)