iOS code for small "sparkling, glowing circle" class using Core Animation by Goodsquirrel

I need a cocoa touch / Objective-C CALayer subclass for iOS 6.0+ (using ARC) that provides a customizable, well performing tiny but beautiful animation of a circle to be used e.g. to mark a position on a map… (Budget: $30-$100 USD, Jobs: Cocoa, Graphic Design, iPad, iPhone, Objective C)