If you cut your pntf down to 10-15 minutes you should see a noticeable improvement in forum speed
If you decide to move to another forum software, there's a
lot of nice work being done with ubb.threads and the portal built by JustDave, you can see it on our front page here:
https://ubbdev.com There's also some nice integration with photopost being done by their developer that would be a natural fit on your site, an example can be found here:
http://www.extremebikini.com/ebti/forums/ubbthreads.php
