[Plugin: Youtube Channel Gallery] Design Error

Iam using the Youtube Channel Gallery Plugin, and i have a problem with the Article Table.

Before activating the Plugin it looks like this:
http://gamer-arena.de/img/befor1.png

And after activating the plugin it looks like this:
http://gamer-arena.de/img/after.png

Can someone help me?
(Sorry for my bad english)

http://wordpress.org/extend/plugins/youtube-channel-gallery/