Im currently using these two.

1. PHBB
2. YABB

Its for free. You could download it and upload it to your host after unzipping it. (by ftp, it would be a lot easier to upload these). Just be sure you host supports it! I would like to recommend you this host FREEPGS (no ads 20-50mb disk space 2-4.5 gig bandwith/month) It supports any message boards, and has good support in case you find it hard configuring your message board. Having your own message board is a real pain in the head. (especially configuring it You could try a remote hosted board jus like scriptkiddie18 suggested. Just click the thread link posted by scriptkiddie18. To add the list MYFREEIB offers a remote hosted Innovision boards. No adverts for now but theyre planning to put one someday