Exploring colours and shapes using Photo-edit

from w
Some readers of this site don't like manipulation of drawings and paintings but I like to see what happens when a drawing is reshaped and altered. The original pics were mostly about A4 in size, in pencil, felt-pen, watercolour or pastel (I think) though one of a fern started off as an etching. If I had time some of these little samples could be painted onto canvas but I am not a patient person.
Here goes: