Zoey Redbird- please tell me that's a cloud!

I experimented with a digital collage and used the following stocks. If anyone whose stock I used is not comfortable with the way I credited you or I misread anything about using your stock, please let me know and I can credit you properly or I can take this down if you are still not satisfied.

I have used this stock by
I have used this stock by
I have used this stock by
I have used This site
i have used this stock by who has his website