Combining text and image

I had the idea of combining text and image by using text for shading. I combined an observation drawing from the Natural History Museum and a scan of a stream of consciousness writing.

The original image:

With text added:

 I think it looks good because it adds more interest and a sense of movement. I would like to be able to use this on one of my plates or mugs as it is a cute design but I don't know yet if it will incorporate well.