Positioning issue in firefox

[Rabidus_lupus]

I'm haveing a little trouble here. My site - http://www.lupusnt.com/

My issue is with the picture titles on the family, friends, and gallery pages. It looks fine in internet explorer (bottom left of each picture) but messes up in firefox. (seems to go below each picture) Please help. I'm desperate.

[Fang]

Add

p{margin:0;}

and remove the empty <li>'s

<li><a href="http://www.lupusnt.com/">Home Page</a></li><li></li>