Topaz Labs have a lot of different program at a fare price, https://www.topazlabs.com/impression, it's not cheap but it's fare and you can always try it for 30 days, same with Corel Painter, when I have more time I am going to test the new Corel Painter too.
This is an image that I did using Topaz Impression2 you can see the original photo directly from Camera, below the painted image,
|Topaz Impression 2|
|Original Image from Camera|
I especially shoot this photo thinking about the effect from Topaz Impression 2, first I cleaned the image in Photoshop, took out the people and houses, and cloned more flowers. After the cleanup I made 3 copies of the clean layer opened the first one in Topaz and used Saturated Watercolor saved it, when back with the second copy and this time applied Georgia O'Keefe that I modified saved it and finally went back into Topaz and this time used Chiaroscuro 3. To finish I used layer mask to keep and discard what I wanted from each layers. I flattened the image did another copy and used Liquify filter to change the aspect of the tree, and as I always do check my gamut, using view gamut warning, that is extremely important if you want to print and not over saturate your image, using hue and saturation I lowered the saturation where needed. The full process took me less than 30 minutes a lot less than doing the same work manually.
I don't have any affiliation with Topaz, but I sure use it a lot!!! If you have questions about it please use the comment section.