Some fun digi-challenges can be found in the digital-scrapbooking world. Most digi-SB stores have forums (most require you to register before you can access). Many of the challenges have links to free font downloads, or free mini-kits to use to complete the challenge, or color swatches to use, etc. I found this one over at Stuff to Scrap's forum this morning and it gave me instant inspiration (kit TITLE and colors!). I call it...
using Wild Things addon by Meagan's Creations
font - Schindler