Visit the Microsoft Site, download section at this link:
Microsoft PowerToys for Windows XP
Down the right side of the page under the heading Download, Scroll down to the 11th item titled Image Resizer, ImageResizer.exe, 521KB, 2 min @ 28.8KBps
Click the exe file and the download will begin, Install the proggie to the default directory. Once completed, when you RIGHT CLICK a photo or JPG file, in the dropdown box, the 6th item listed will be resize image. In the next box that appears, you'll be asked to select a size small, medium, or large. Click the radio button next to small or medium as these sizes will be downloadable by GP servers without problems.
Once the resizer program has done the resizing it will create a duplicate copy of your pic with the same file including the size you selected. RE: image file name was bigbud21714.jpg. The resized image will be located in the same folder or location your original picture but will have the file name: bigbud21714(medium).jpg
Happy Posting!!
Nim