Hi guys! :)
Here is Long Shadow photoshop action for your flat designs. 10x faster than photoshop action by web3canvas. Easy to use. Pixel perfect. Ideal for 1024 px icons. Compatible with PS CS3 > CC.
and yes, it's free :)
watch the video with compare http://www.youtube.com/watch?v=DaR6zqEO7uQ
Update: Long Shadow v2 http://drbl.in/iEpb