I think you have too much text at the top of the site. Move some text to the footer, like the tag cloud. I think the way you have it now, you will have a high bounce rate, because, you cannot see the video thumbs when you open the page.
Just my advice.
I have manage to add latest photos , latest forum posts and new forum editor.. i started getting good traffic
Daily i keep editing codes making much better .... recenlt i add ... change forum editor , changed photo view, infinity scroller, frontpage latest pictures, front page latest forum posts... have a look