Thumb rating for wordpress – top user

there are varaiables in gd rating to sort query.

you can use in URL like :

http://www.gdstarrating.com/?gdsr_sort=rating&gdsr_order=desc

http://www.gdstarrating.com/?gdsr_sort=review&gdsr_order=desc

http://www.gdstarrating.com/category/tutorials/?gdsr_sort=votes&gdsr_order=asc

or pass to a query

query_posts("gdsr_sort=rating");
query_posts("gdsr_sort=review&sort_order=asc");
query_posts("gdsr_sort=rating&gdsr_multi=3");
query_posts("gdsr_sort=votes&sort_order=asc&gdsr_multi=3");

you can find more info here :

http://www.gdstarrating.com/2009/07/03/how-to-reorder-posts/