Photozer!

Use PhotoZer to create a cool wallpaper or collage from your photos.
Just upload a ZIP file with your photos and pick the backgrounds you want. How to Zip in XP
Your PhotoZer project will be added to the queue and you will be emailed when it is ready.
The ZIP file should only contain .jpg or .png images.
Privacy note: your photos will only be used to create your wallpaper. They will not be published or used for any other purpose. The wallpaper can only be downloaded via a special link we email to you.