Here's a quick exempt from my nexgen.xml. The game shows, but not the icon. I located the same file on E: in UDATA, but when I set the path for that one, still no go
<section name = "Xbox Games">
<Item Text="NBA Inside Drive 2003" icon="F:Game - NBA Inside Drive 2003MediaTitleImage.xbx" xbe="F:Game - NBA Inside Drive 2003default.xbe"/>
</section>