Search engine results not showing properly

[WarDoGG]

Hey guys, some search engine results for my site do not have proper descriptions .. they have descriptions like..

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See this image >> http://www.bagthatpic.com/images/0024/4Kt33725.jpg


so.. how can i change the description ?

[EnIgMa1234]

Have you tryed editing your meta tags in vbulletin options?