this is pretty good too
http://www.smushit.com/ysmush.it/
and don't forget to resize and optimise your gallery images
in GIMP:
keep a backup somewhere of your original photographs!
IMAGE > SCALE IMAGE
make sure the little chain links are together (i.e. not broken) put 260 into the width box and press return and you will see the height automatically update to 266 (at the moment you have 330px which results in a distorted image which i'm sure isn't what your wife wants
then press the SCALE button then on the FILE menu
go across to FILTERS drop down and choose ENHANCE and UNSHARP MASK
something like RADIUS 3 (pixels) AMOUNT 0.7 and THRESHOLD 0 are good
- if it looks too sharp simply reduce the AMOUNT value
then file save as press the save button (assuming you have jpg as the file extension) and in the SAVE AS JPEG dialog (see screenhsot) check "show preview in image window" and pick play with the slider until the image looks too poor then go back to the right by about 10.
somewhere between 60-85 (depending on the picture) is good and the file-size should be around 20-40kb (check the value as seen in the screenshot window)
check the "advanced options" check the "progressive" button (so users can see the image loading rather than it just popping into place when it's finished)
uncheck "save exif data" (that's extra camera data you don't need for the web)
uncheck "save thumbnail" (also not needed for web images
uncheck "use quality settings from original image"
and then click the "save defaults" button at the bottom and finally SAVE
screenshot and example images (my example is a little too sharp - after all quilting should 'feel' soft )
if you're stuck i can resize the images for you but it would be better for you to learn so you can do them yourself. give us a shout if you need help in any way
edit: i just noticed the quilt isn't quite straight - you could rotate to straighten it (using the original image)