Toyou,
These are models from FM Concepts. The tickler's name is Kristine Imboch and the ticklee's name is Anastasia Pierce. I'm sure if you search on their website you will find the entire clip for buying or downloading.
Their website is fmconceptsinc.com
On this site you can also go to the Tickle Hell link or Tickle Party link, in which
you could probably find the clip their also. You can also try and find it at clips4sale.com under their website.
I hope that this helps.
If you have any more questions, please don't hesitate to ask.
I'll help in whatever I can.