In an attempt to make this picture a little easier to understand, I've created this page.
Top row, left to right-Sitting is Pat Lally, big head is Jesse Brown, Sitting is Sean Davies, writing something is Sarah Hughes, upside down is Luke Krauss, in Sound of Music garb is Pat Seymour and Neil Bardhan, downing the pixie stick is Sam Corbett, the floating heads are Dave and then Dan Welch, and running is Matt Dudek.
Below them, left to right-Big floating head is me (Dylan Flipse), looking to the left is Ethan Gafford, skipping stones is Mike Brion, kinda standing there are Doc Heaps, Justin Niles, and Charlie Miller, hugging are Liz Learn and myself, the floating head is Nancy Maschmeyer, seated with grey shirt is Sam Corbett, then seated is Charlie Miller, playing guitar is John Flansburgh, and finally giving the "hang loose" sign is Marshall Roupp and Jesse Brown.
Below them, left to right-Floating heads are Pat Seymour, Amy Siriani, and Andy Rachlin, a gummi bear, standing is Pay Lally, seated and blurry are Dennis Huggins, Charlie Miller, Ellen Gerdes, and Amy Siriani, floating head is Nancy Maschmeyer, not facing the camera is Marshall Roupp, standing is Neil Bardhan, and seated is Liz Learn.
Bottom row, left to right-Being lifed is myself, lifting is Dave Robison, shampooing is Mike Brion, seated is Brittany Loughlin, then myself again and Laine Stager, seated are Rachel Flipse and Neil Bardhan, yelling is Dennis Huggins, grumpy is Andy Rachlin, and all dressed up is Ellen Gerdes.