... that might encourage more users to register for the forums;
Make the captcha images easier to read. It took me six attempts to register, because I couldn't make out the characters. There is no option to request more readable characters (that I could see), so each time I had to refresh the page. Very tedious...
In the end I got so angry that I persevered just so I could post this :)
There, I feel much better now and I am glad to be here.