Open the original PM, then click the reply button. The text will then appear instead of the Mickey. copy and paste this into your signature and it should work.
I've tried various ways and this is the one that works for me
i needed that cup of coffee this am. I'd been admiring all the the little "critters" and really wanted one then I got him and could do anything with him, i was getting depressed but knew that someone out there would help me.