Cable, a member of BoardMod (aka OH Eng of YaBB's Support Team) has released on BoardMod's Template Vault seven (yes, 7) Y2.4 templates for the newly released YaBB 2.4 (YaBB 2.4 Released April 13th).  Here is a linked list of Cable's great new templates, be sure to check them out:

Garden Green, Maroon, Metallic Gold, Sandstone, Water World, Woody, and Carved In Stone.