http://www.asdfbmp.com
this softawre for Apple products was created by the glitch and graphic artist Kim Asendorf. I saw it showcased in iDN’s ‘glitch issue’. I haven’t used it myself.
Link for use demo:
http://www.youtube.com/watch?v=4Kg3-z5xuiw&sns=tw

but the flickr link at the bottom(or a search engine) will lead you to some user examples.

If not try the one below. Shows a good panoply of what her software can do.
http://10dier.soup.io/since/72846311?mode=own&newer=1

this software is everything i am interested in in regards to glitch. that you can CREATE at arms-reach.
no naf-ness.