I figure if we are into week 17, thanks to Fiona's chart [see, I am using it!!], we should have 17 letters posted by now. I need to post 2 to be up to date, so here they are.
P - select, copy, paste, clone
This one was a little tricky as I had to add some more shadow to the left side of the bolt to make it more convincing.
Q - flip, lasso, copy, paste, add shadow.
...again, a bit tricky but fun 'cos I like the end result.