I tried that. These guys are using proxies, which can be found easily. So far I’ve blocked 21 IPs and they find more. If you have a static IP I can set the script to allow your posts even with FireFox. I may try a registration system which will be more secure, but I’m battling strep throat while doing this and won’t be able to focus that well, so it’ll take a while. (Yesterday I caughed violently just as I took a sip of coffee and had to spend the next half hour taking my keyboard apart to clean it)