What do you mean by source files?
You can contact the author via his/her profile page – scroll down, there’s a form.
Only Fools and Horses. Seen it?
Bugger! The other day I went one by one. And is was CC Sphere!?
Suggest you contact the author with a Personal Message for his/her profile page.
Maybe post to YouTube so people can see in order to help you?
First month: $2 earnings.
And I was over-the-moon, delighted.
Be patient. It’s a virtue
Allow up to a week (it’s actually usually less).
Have a look at my project Rush (conceived from a very similar situation).
Some classics here http://www.sadanduseless.com/2012/11/stupid-feedback-from-clients/