How i did the framing

I have received several questions about how I did the framing of my plates.
Actually it isn't that difficult. It sure is no rocket science.

This is the final result : http://collodion-art.blogspot.com/2010/12/my-first-exhibition.html

I bought some 9 mm thick oak plates.
Because there are so thin and I wanted to prevent it from curling I placed a 2mm steel plate at the back.
I took 2 small pieces of oak and glued them on the the oak plate. On top of that I used adhesive velcro.
One piece attached to the glass plate and the other on the small pieces on the oak plate.

First I tried adhesive tape but that was more permanent and much more difficult to remove the plate again.
With the velcro I have a kind of picture frame where I can easily remove the plate and put on another one.