More Photoshoping

I am setting up some of the moves I will be making using Motion 3. This will necessitate putting the entire painting in layers and now in 3D as well. The clipping is particularly time consuming and the grass dots laid by Seurat are difficult to "stamp" perfectly. I am looking for similar grass in other painting to perhaps lay on top on the Jatte painting. The cutting is rough, but I can see how I am creating a lot of work for myself to make it perfect later.

Here is the latest on the erasing the figures: