I'm about to post an instructable about applique with some close up (but not blurry) photos that will really benefit from some yellow boxes for explantations of what I am showing, but for some reason I am not able to put yellow boxes in - is is because I have a Mac? When I tried to do this for my last instructable I was not able to. Is there a trick to it other than the instructions which I did follow. Thank you.
PS I don't have a mouse with a right and left buttons (as refered to by Lemonie in his excellent answer to this very same question by some one else