I searched through Google if there's tutorial for bump mapping on XNA, and I always landed on this page.. One thing that I wonder though, he's asking for bump mapping, not normal mapping, why do you guys keep telling him to look at normal mapping tutorial? Or may be I don't understand, what's the difference between normal mapping and bump mapping? According to my artist and colleague, they are different.. though I can't really tell the difference after looking at the XNA sample on normal mapping..