Type msinfo32 into the "Search programs and files" box of the Start Menu. It should tell you most of what you need to know.
(I hope that's the same on XP - I'm on Windows 7.)
That does work in XP, but it's in the RUN dialog not search.
While you are taking a good step in trying to find out your system details if you post your issue with detail what the picture issue is, we can probably also help with that.
Do you just see red X where the pictures should be? Are they looking like they are missing most of the colors? What?