A little info on this Vector:

That file was downloaded from http://all-silhouettes.com

License: Attribution-ShareAlike (http://creativecommons.org/licenses/)

It means you are free:
to Share — to copy, distribute and transmit the work
to Remix — to adapt the work
You may use this work for commercial purposes, exept selling on graphic stock sites.

You can not sell it!
If you alter, transform, or build upon this work,
you may distribute the resulting work only under the same,
similar or a compatible license. FOR FREE!!!

If you are going to distribute that pack don’t forget to live back to http://allsilhouettes.com

ps. I’m spending a lot of time to create all that silhouettes and
I would really appreciate a link back or a few words.