Sketch donation user experience

![basicuserexperience](https://cloud.githubusercontent.com/assets/8646429/5287030/11412d0a-7af7-11e4-9b3d-a477ec6e3df7.gif)

This chain should be a class method that accepts the filter params as an argument. I say that mostly because I don't know what it does, and extracting to a named method would name it, clarifying that for me.