Earl,
One of the things you want people to do, is NOT glance in and then walk away. You need to get them into your spot and asking questions. Here's what I have next to each of my images, some much longer than this. People LOVE reading about where this was and when,etc.
And be ready to GAB!
Rich
p.s. By the way, how will you arrange for payment? Many people no longer have checks and they use their credit cards,mostly, so you might need to either rent a credit card machine, or buy a "Square" which works with a smart phone and is really free after you get thier rebate check.