I think I posted fixes for these problems.
Here → http://para.llel.us/support/groups/mingle-wordpress/forum/topic/remove-cover/#post-86913
And here → http://para.llel.us/support/groups/mingle-wordpress/forum/topic/top-graphic-1/#post-86934
Let me know if those fixes help.
Mingle is a very, very old theme and the styling for some elements in modern-day BuddyPress and bbPress doesn’t look too good. If you come across anything else that doesn’t seem to be styled right please let us know. However, please keep in mind that we will need to see the issue on a live web page on your web site to be able to help.
Note that Mingle doesn’t use any custom BuddyPress or bbPress templates, it only adds CSS to style some of the elements of those plugins to fit in with the general design of the theme. It’s possible that new elements introduced by BuddyPress and/or bbPress won’t look right in Mingle because Mingle is not styling those new elements. Also, the developers of BuddyPress in particular have a track record of changing its style class names, and this breaks any theme like Mingle that is using the older BuddyPress classes.
If you can show us on live web pages where you see any issues we will be glad to help if we can, but because this theme is so very old, and in particular because it is not a responsive theme, we can’t justify allocating any development resources to fixing any plugin-related issues. Thanks.,