I made a sheet of printable props scaled to work with Hot Toys Marty. Grab it here:
1/6 BTTF Props » Cubeecraft - Free Papercraft Toys
Includes: Sports almanac, photo with siblings, flux capacitor sketch, letter to doc and envelope, recovered letter to doc, clock tower flyers, tales from space comic book, wedding photo, fantastic story magazine, "You're fired" fax and clean fax page, Biff buck, Biff pleasure palace matchbook, biff auto repair matchbook, letter from doc, photo of doc, USA Today "youth jailed", USA today "gang jailed", almanac receipt, a match made in space book cover, emmet brown grave photo, no name grave photo.