-Stocking suggestions, which of your livestock would be good with each other etc.
-Review articles/blogs you find interesting
-Fishroom updates! What's going on in there?
-Dear Rachel: ask for questions from people and do an advice column (which I guess is what you are doing here)
-Aquariums you admire (personal as well as public?)
-Projects you are working on (I read about you doing some charity aquariums, which influenced my choice to order from you)
Annnnnd now, back to some public relations homework lol