I'm the author of the ASHFALL three-and-a-half-ology: ASHFALL, ASHEN WINTER, SUNRISE, and DARLA'S STORY.
"I did some google searching and figured out how to change a few things but I'm still stumped on how to :
change the font color (and style) on my blog from the gray to a different color - perhaps white
make my blog background show as one big picture instead of many small/tiled pictures"
I think this will do it: http://lisafictalk.booklikes.com/post/221398/easy-tips-for-customizing-your-booklikes-blog I haven't personally tested it, however.