Does anyone know where it is possible to find a large number of chess positions in PNG, JPEG or any other image format? Quality, colour, size does not matter. The only thing that matters is that I'd prefer there to be some distortions in the image (like images scanned from books). Here is an example of a chess position such as I am looking for:
I am creating a tool which converts an image of a position to the board representation, and for this reason I need to collect a lot of different positions. Up till now I am getting them from PDF books I have.