Sunday at the Lake

hi, i was wondering if this wasn't copyrighted or anything, if i could use it in a photo manipulation, i was thinking of putting a shirtless guy with angel wings in the water, with a moon in the sky but i wanted to make sure that it was ok with you first. i will credit you as the original owner of this photograph, and i will link you back to the finished piece. But i understand if you do not want me to do this and will completely respect your decision. Thank you.