Hi, guys. I've tried this theme you're currently using (oxygen) once on one of my sites and I also had a gallery section so made a gallery button for it. since i don't use the theme anymore (and not even developed 'cause i got bored of it), i'll give you guys the button.
try it out:
[img width=61 height=43]http://www.ilocano.org/images/others/gallery.gif[/img]