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Hi, My problem is that my text editor looks like this:
http://img232.imageshack.us/img232/5394/mamtak.jpg

And I want to my editor text look like in this forum..

Sorry for me english, because i polish

Did you install any addons?
What's your forum URL?

http://wladcyneta.pl

I install side boxes, Show group details in User Profile, Profile Comments, PM On Registration, Online Today, Forum stats in profile, Default Profile, Antyspam Akismet, Active Users