Originally Posted by stut
I put a copy of my passport photo page (and visa page if relevant), vaccination certificates and insurance details on a password-protected section of my website.
There are few places I've been where it's not been possible to find an internet café to download and print such things.
What he said. Works great. Also, consulates are happy to go online for you and print out a page if you're in trouble. (Spoken from experience.)