I relocated the flying feathers by copying to a new layer.
Stretched the background on the right side to allow centering of the eagles and cropping.
Added vignette on a new Overlay blending mode layer.
Slight smart sharpening.
forum discussion: http://forums.dpreview.com/forums/read.asp?forum=1006&message=34408464&changemode=1
original image by Walter Blackledge: