I like finding threads wherein someone has asked "how do I get this effect?" and others gather in and figure out a way to achieve it.  BB in particular is rightly legendary for this.  These threads could be copied to a tut database area, perhaps edited to remove the inevitable off-topic wanderings.  Oh, and we should be given the chance to edit our own posts before the thread is archived, in order to correct errors and delete dead end approaches, etc.

     I'm favorable to the idea of render challenges, though I rarely do them myself.  My own postings will more likely just be "Look at my latest render project!"  The current "What are you working on?" thread gives that opportunity and gives a preview of coming attractions, so to speak, so folks interested in a given item will know to watch for its release.

     Forum nuts and bolts issues:

•   It would be nice to be able to attach more than one pic.
• When I insert a linked pic, I always set it to open in a new window, but the forum changes it to open in this window.  Irritating.
• Allow attaching MT5, MC6, ZIP, PP2, CR2, PZ3, etc.

Poser 12, in feet.  

OSes:  Win7Prox64, Win7Ultx64

Silo Pro 2.5.6 64bit, Vue Infinite 2014.7, Genetica 4.0 Studio, UV Mapper Pro, UV Layout Pro, PhotoImpact X3, GIF Animator 5