Here is a lovely, elegant and delicious cookie:
http://food52.com/recipes/9346_rice_cookies

There was a contest for gluten free baked goods and the site has many choices. Try the search (upper right) for gluten free + vegan. I think you'll find much to enjoy.

There is one gluten free cookie recipe on Food52--you can find it here: http://food52.com/recipes/2533_white_chocolate_snowflakes

You may also want to check out this website--lots of goodies here: http://glutenfreegirl.com/