Why?
This is to change the proportions of your image, not the size of the file. This will make sure all of the image shows on the PDA.
1. Open picture
Open Picasa by double-clicking on its icon.
Double-click on one of your photos. This will open up it up in its own window
2. Select 'Crop' mode
Click on the Crop button
3. Select crop size
Select the 10x15 option (if you haven't got this, choose 4x6 or 2x3)
4. Select area to crop
Click on the image with your mouse and hold the button down. Start in the top left corner and drag a rectangle around the part of the picture you want to keep, moving down to the bottom right of the image.
5. Apply cropping
Now click the Apply button - this will cut your photo so it is the same size as the area you dragged out with the mouse.

