This first picture is straight, no adjustments. The second one is unsharp, radius 1.98, strength 250, clipping 3. The third one is sharpen, twice.
This last picture of the miniature horses, the first one is straight, and the second one, I did the sharp effect once only.
Ron, is it necessary to download After Shot? I would probably never use it anyway, concentrating on the abilities of PSP.