You can take Oil Painting effect photos using this application.
Simple, Elegant and Powerful
the fastest, most effective oil painting generating app in App Store, converting photos to oil paintings becomes easier than ever!!
FEATURES
Preview and customize effects in real-time!
use finger to keep original part of photo.
control hue,saturation and brightness of your photo.
Simple and intuitive user interface makes everything easy.
Upload to Facebook,Twiter, email or save to your photo library.
AutoSketch+ 
WaterColor Photo 
AutoHDR 