Well this is two fold, it will help direct users to clubs, at the moment they are extremely underutilized in my opinion. I can't have them on the index page (at all) because there are just so many of them and when a club has more than one topics (which I know you can restrict but shouldn't be what you need to do to get a clean front end) tab then you have multiples of them.
Right now its even broken in Grid view but the table view is alright (note grid view is broken and I'll screenshot if you want to get a bug logged its at the end. But look at this:
And even more fun they aren't listed in club order so it will bring organization:
The top and bottom one there are a part of the same club but note that there are other ones between them.
It would look better to be:
Outer forum: Learn HTML/CSS
Description
Subforums: General Conversion, Ask for Help, Quick Tips
I mean this opinion stands for EVERYWHERE that they are shown but forums are probably the worst followed by Gallery.
But to the original posters point; Also restricting this to specific clubs that I believe are ones that should be displayed should be an option and you may want to even go so far as to being able to feature them in specific sections. Like my Software club probably won't have a lot of Gallery stuff that necessarily needs to be shown off (if any) but my Artists club would but probably not as much a place in the forums.
You could even monetize it and allow only "subscribers clubs will be displayed in these locations.
I'm sure there is more but that should hopefully help @Jordan Invision
Broken Grid: