Dark Angels Leadership

I had it in mind that at some point I might take my Dark Angels over to the Chaos side. Lets face it their history allows this. They have proved to be a great army to play. I want to get them to a full army before doing such a thing. All elements being brought to a decent scale. There are some cool leadership possibilities.

This picture has a few of the possible options some have had some green stuff applied to make them happen.