Your Best  Photo Collage  Software is

 Wonder
Photo Studio
$29.95

Key features

• Easy and simple to use.
• You can retouch your photos by adding shadow or masks, cropping, rotating, etc
• You can add clip art, word art, and other pictures.
• You can use a good variety of templates.
• There is online help, a downloadable manual and other instructions.
• You can print the finished product.
• You can email the finished product.
• You can make the finished product your computer's wallpaper.