I have a UIScrollView that has a set of images loaded side-by-side inside it. You can see an example of my app here: http://www.42restaurants.com. My problem comes in with m
Set shouldRasterize = YES for the sub content view adde to the scrollview. It is seen to remove the jerky behavior of custom created scroll view like a charm. :)
Also do some profiling using the instruments in the Xcode. Go through the tutorials created for profiling by Ray Wenderlich it helped me a lot.