The files may be in moderation. In the vB ACP, the blue menu on the left side, open the PhotoPlog group, and click Moderate Files. Do you see any files?
Note: in the Usergroup Manager, edit each Usergroup, and set both Moderate This Group's Files and Moderate This Group's Comments to no, if desired.
BTW, I see you're having a bit of a problem getting the gallery link in the navbar.
In the vB navbar template find:
Code:
Content visible to registered users only.
And afterwards add the following:
Code:
Content visible to registered users only.