Lisa is teaching me about the camera I've had for a year and a half. Check out these two pictures. The first is the original and the second is sharpened ALA Lisa's Tutorial. I used Adobe Photoshop - a program I know next to nothing about. It's great to learn something new at my age :). Check out her blog and try some of her challenges out. You never know what you may learn!!
(I'm not sure if you can tell the difference -it is very subtle on the post, but in a bigger size, it's quite impressive.)
This is from Lisa's sharp as a tack tutorial: