I can't see icons in the X server

[ZaYer]

Hello, the reason of these e-mail is about I can't see icons in de X 
server, I use KDE, and I only can see the text. In fvwm2, I can't see it 
too.
Does somebody know what is the problem?
What can I do for repair that?
I am wating your replay, thankyou very much.