Wow, I have a long to do list I see.
I compiled a Picasa album of the pic's I found on the net. Some are screenshots from YouTube videos and some already circulate the web as pictures.
The original handscars obviously were a piece of cake, but it's actually kind of tricky to find good shots of the newer ones. The symbols can first be seen in Exoddus and it seems that these have been the inspiration for Aaron's tats (also in album). However Abe's newer scars appear to be a bit softer around the edges, so if I were to go for the newer ones, I'd want them more like that.
Abe's handscars