Hi, I succeed with these fiverr users ,
dino_stark (For Profile links) He uses High PR profiles for first tier.
yesrams (For Link Pyramids) S/he uses different article on each web2.0 property.
seozilla (For Edu Gov Links), Good Quality Edu and Gov BackLinks.
blast_seo (For Social Signals).
I've just made a few orders with this guy
http://fiverr.com/khiemnn
He delivers quite fast and all links are good. Best thing I like about him is the detailed reports for backlinks and indexing, even I have my own Indexification account but well he's already submitted it.