Last night at Dragon*Con I went to a "puppet slam," which was basically a set of very varied puppet acts for adults. Part of the preshow was a song written in tribute to Jerry, set to a slideshow of photos of him in action. It was beautiful, and I hope that it turns up on Youtube if it hasn't already.
Also, at nearly every panel in the D*C puppetry track I attended Jerry's passing was mentioned at the beginning by Peter Linz, Leslie Carrara-Rudolph, or one of the other panelists. They didn't talk long about him, but they did speak of him with great respect and affection.