I dropped the ball on this effort. Theresa had ever so sweetly asked me to put this together, and then I just got busy with other stuff. The only thing I was able to do was do a mini-movie of her favorite shrimp goby pair, which I have posted on YouTube:
Yeah, I went the lazy/easiest way to get $$$ fairly quickly. I was able to squeeze around $170 out of each of our 16GB 4's (4, not 4S). Probably could have made more via eBay, but was lazy.
If you can't find buyers, you could go the Amazon trade-in route ... though I am sure the prices have dropped since I traded my old 4 in (a few days after the 5 came out).