Yea, I'm not happy with the graininess of the stills either. I think I should have reduced the size of the photos further. It is DIC albeit very poor DIC. Its a custom DIC attachment.
http://www.flickr.com/photos/curtis3456 ... hotostream
Here are some photos of the set up. The only thing that's changed is I'm now using a 30w led array for light.
My scope is a Leica Galen III stand I got for 10$ because the condenser adjustment was broken and it came without a head. I fixed the condenser, JB welded an eos mount where the head should go and attached extension tubes and a 2x teleconverter to it. I can add polarizers, DIC prisms, or my home built fluorescence attachment.