I've just been copying some Usergroup permissions I set on my live forum over to the WampServer install and I've spotted there are differences between the two. The first picture below shows the live forum.
1: Live Forum (updated to XenForo 1.1 final - from 1.1 Beta/RC versions)
WampServer (using clean install of XenForo 1.1 final)
Also, I spotted that the setting that you can tick to display YouTube URL below videos had not been updated to the fix as well on live site when comparing the clean install on WampServer to the updated live forum board.
The clean install use this: