Can you perhaps show a chunk of code where you are loading images/meshes?
99.9% of the time it's because blitz can't find the media. Are you using absolute paths? If so, then that is most likely the problem, and would explain why it works for some and not others.
How about screen resolution? Are you trying to force a resolution that might not be supported?
99.9% of the time it's because blitz can't find the media. Are you using absolute paths? If so, then that is most likely the problem, and would explain why it works for some and not others.
How about screen resolution? Are you trying to force a resolution that might not be supported?