Maybe a support ticket might be in order but perhaps you might consider re-doing the basics over again first.
I noticed that your stock avatars are in "/ubb/Avatars" and you personal is in "/ubb", are you sure you've uploaded (binary) your new ones to the right dir and performed an upgrade through cp?
Sorry if that sounds too obvious - but I miss the obvious all the time <img src="https://www.ubbcentral.com/boards/images/graemlins/wink.gif" alt="" />
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I'm depriving a village somewhere of an idiot !
