For number three - check out http://jeffa.perlmonk.org/cgi-bin/check_link.cgi. It was built to validate the links on a writeup but it also provides a list of links which you could do something with.

jeffa

L-LL-L--L-LL-L--L-LL-L--
-R--R-RR-R--R-RR-R--R-RR
B--B--B--B--B--B--B--B--
H---H---H---H---H---H---
(the triplet paradiddle with high-hat)