@evan I'm no fan of the front image either.
Here are two images I found. They aren't much better but CC licensed and could be used in a carousel.

mray INACTIVE at 2013-09-20T08:54:33Z

I've sent in a pull request addressing this issue: https://github.com/e14n/pump.io/pull/867

Aeva Ntsc at 2013-11-01T15:55:42Z

Greg Grossmeier, Mike Linksvayer, andrei, Christopher Allan Webber likes this.

Direct link to commit.
https://github.com/Aeva/pump.io/commit/3aa60e5f867b31acb22e91ea836907844f2514e3

LGTM!

Christopher Allan Webber at 2013-11-01T15:59:46Z

ChicagoLUG likes this.

I feel that the clip art really covers that this software is only for white dudebros.

Space Hobo at 2013-11-03T19:51:34Z