If you mean custom content pages, yes, there are hacks that allow this. VBA CMPS is a particularly wonderful hack that allows you to add and edit your own custom content, adds a portal page, and several very useful features to make your site more content-based. Their home page can be found at
http://www.vbadvanced.com/.
If you want to see a working, customized version, check my site at
http://www.herorpg.net/.
Hope this helped.