What does a smiling black snake thing have to do with SICP?

Would someone please explain this to me?

Also what have Abelson and Sussman to say about "twohoos" reading SICP?

Explain the following:

https://mega.co.nz/#!o1QimLKD!JPKsMBiCwcBm5Qn_xtULSS-hPxocAlq6HQGpCM5Lbg4

Also, why can't I find a good quality version of the picture featured here?

https://www.youtube.com/watch?v=aHk42kDwesM

>>53
Bullshit.