I've found the Topaz Impressions art filters to be excellent for realistic painting effects. Most effects are named for the artist who's technique they mimic, then you can change many parameters.
This is my version of the Van Gogh filter on some fall leaves in my neighborhood.
Impasto
No...
There is an issue with Uploading Photos (attachjments). I am not sure what the problem is, and I am looking into it. You can still try to Create your Threads and Upload your Photos, but it is hanging up during the Upload.