Enhanced portrait. Left image was enlarged from a section of a photo, approximately 1/2 inch square. Right image shows the final result after sharpening and refining pixels.
Original image (left) of dinosaur in the bushes. Right image shows cut out subject with mask for insertion into left hand photo
Final composite of two elements combined. Foreground greenery was added to complete the effect

 

Adding elements. The two figures were originally photographed against a different background, and were digitally placed in front of the gazebo.

Subtracting elements. The groom was removed from the original photo, and the background blended.

Hair removal. Well known actor with "hair" digitally removed.