I would love to hear if you know of any tutorials, or editing devices you have used to mimic iPhone photo apps. Although I don't own an iPhone, I still go to iArt Chronicles to admire the iPhone artists and their beautiful work.
Here are a few of my simple painterly edits with Topaz Simplify 4...
Golden Hills of Mt. Diablo
Scraggley Coastal Oak on Mt. Diablo
Tree at the Entrance of China Camp on the S.F. Bay Shoreline
My favorite winter tree at Mt. View Cemetery
Coit Tower atop a San Francisco Hill