If you want a skin for your topsites, here are some third-party sites that have made skins. If you want your site to be listed here, please contact me.
- OS Empire
- Gaming Exe - Aardvark Topsites PHP Skins
- Emeraldisle's Portal - Skins for Aardvark Topsites
- Forgotten Memories - Aardvark Topsites Skins
- Kamran Web - Aardvark Topsites Skins
Also, check out the Skins Forum.