I've featured Nuju Metru's skillfully created Dragon Lands custom theme here before, and now the builder has announced a dragon-building contest! You can read the rules and guidelines on Flickr here.
The best part is, to make the dragon building a little smoother for the newbies, Nuju Metru has created three instruction sheets with some advice for basic skeletons, heads, limbs, wings, and decorations. Take a look:
(click to enlarge images)
This looks like a fun contest, and those guide pages are really well done. I look forward to seeing the army of dragons that is sure to come!