Requesting assistance

My local chapter of the American Physical Therapy Association is holding a silent auction in a few months to raise money for their scholarship fund and have sent out the letter requesting donations. I sent a cursory email, describing my hobby and asking if they'd be interested in a piece. They responded in the affirmative, and now I'm left with the task of deciding which piece(s) to have matted and framed. My mother was absolutely no help, I'm self-conscious and biased, so I'm turning to you, my critics for assistance.

I'm currently toying with three that seem to stick out in my mind, but I need your help weighting in on if what I'm thinking are globally plausible choices or if I should consider something else. I appreciate all comments you have to proffer (and I do mean all). Presently, I have:







...and...



If you'd like to see what the other options are, visit http://sportygirl4114.deviantart.com/gallery/

By the way, if any of you are interested in donating a piece to help future healers of the world, you're more than welcome. Just comment with an appropriate email address and I will send you the email address of the lady organizing the collections.

Cheers!