The forum doesn't support hosting files for people, but you can use the IMG tag to insert images into a post by putting [ IMG ] and [ /IMG ] (without the spaces) around the URL for the picture. Here's example from your shutterfly page:

[img]http://shim1.shutterfly.com/procgserv/47b6ce31b3127cce98548a70f42900000027100Abt27ZmzbM2KA[/img]