BuddyPress.org

Not sure what you mean. I’m guessing the layout is messed up on your BuddyPress pages.
Like I eluded to earlier, you’ll have to modify the BuddyPress templates in your theme to make it look the same as the rest of your site.

Step 3 in BP Template Pack should have outlined these steps. If you have no experience working with themes, you might find this a little daunting.