K.P.
This may be kind of difficult to pull-off b/c there are a lot of "instructions" involved.
I have gone to several parties where the sheets for the scrapbook are sent ahead of time and you bring it to the party with you or mail it to the hostess if you do not plan to attend. It's pricey b/c of the postage, but you could put an enclosure in the invite asking peole to mail, email or bring a letter and pictures to be put into the scrapbook!