Well now you can.
I've installed an update that uses the TouchBB app. This allows you to access forum and post new topics/images etc.
Visit the store here
http://itunes.apple.com/us/app/touchbb- ... 52610?mt=8
You can download either the free or $0.99 version and using your login/password you'll be able to access the forum.
If you have any questions please let me know.
What is the TouchBB iPhone Forum Reader?
TouchBB is an iPhone and iPod touch application that allows you to read forums while on the go. It is much easier to use than browsing a forum through Safari because you don't have to pinch and zoom every screen while navigating. The data that is transmitted is optimized for mobile connections.
http://www.touchbb.com/
