1) Additional selection tools; 'Bezier Spline' would be nice, 'Magic Wand' would be great.
2) (Believe it or not) addition of some "noise" into the synthesized regions can actually improve the perception of detail and visual integration.
Unlike all these others, I am among those NOT that adept at Photoshop, and I so appreciate the incredibly fantastic ease at which this great tool can be used!
Spots, burned-in date codes, tears and crinkles, even unwanted PEOPLE in the...
Once an area is selected it would be nice to tell the program to clone the selection from the area to the left of the selection (or right or top or bottom). That way areas selected right next to a person wouldn't clone from part of the person.
Instead of just removing an object and discarding it, I'd like to see an option to save its image to the clipboard so that it can be pasted either somewhere else in the same picture or into another picture. This would be very useful to me.