That image is 1500 pixels across. I suggest when you're ready that you scale it down to 750 or 500 across. (500 is the BGG default image viewing size.)
Suggested angles of text: Three placards... 8 degrees counterclockwise 5 degrees clockwise 7 degrees counterclockwise. Enthusastic sheep at the back... 15 to 20 degrees clockwise. (Or you can erase the white "speech line" if you like.)