Probably might take too much space on the server, but it would be neat if each clan had a personal chat forum to say things between each member, so that only THAT clan can read it? ie.. cheer people on.. ask what were they thinking 🙂 I know you could email everyone in your clan, but, just isn't the same thing.
I have set up a forum for my clan. No sense spamming here the link is on my profile. If you do go there and try to access the team members area you'll notice you can't. I have made those sections private and for clan members only. There are many free forum hosts out there if you don't mind a little advertisement on the page.