I am also a big Fiverr fan both for buying and selling stuff.
I recently realized that there are lots of Fiverr clones out there such as Gigbucks, GigBomb e.t.c. I did a little experiment the other day and signed up for a couple of these. Funny thing is I only get spam messages from other Fiverr cloners who are looking for people to sign up to their sites.
Use Fiverr which is the real deal. All other Fiverr clones are fake, all of them.