After looking at the drawing I decided that I didn't want to put in the wheelbarrow leaning against the building and I put in the wooden boards across on that side of the building.
From there I added the grasses and growies at the base of the larger part of the building as well as putting the climber going up the side of the building.

I put the shadows beneath the eaves on both sections of the building.
Next I darkened in the broken window on the smaller section of the building.
I will post this drawing at a later date once more work on it has been completed.