Seo Backlink Pyramids that work

Hi all, I have several websites and I have tried various SEO gigs in the past but many to no avail, I would like to start a new discussion on the experiences you have had either good or bad with some of the SEO gigs you have purchased.
PLEASE do not post your own SEO gigs here.
I will start off with the obvious good gigs I have tried and respected,

http://fiverr.com/fastestfacebook/use-senuke-x-to-create-over-1000-quality-backlinks-for-your-site-within-24-hours

and another is

http://fiverr.com/wiseman/create-10-edu-backlinks-for-your-site-explanation-and-proof-1st-page-of-google-inside


and finally

http://fiverr.com/dino_stark/build-eminent-backlink-pyramid-with-5000-high-pr-profiles

In no particular order and all pretty good guys, so if anyone has other positive experiences with SEO after Penguin , Panda updates please share.

NO SPAMMING PLEASE