Official Photos - Kiosk Build

There are great photos of the things EAA does......specifically to youth activities but EAA in general . I am building a kiosk for the chapter and looking for great PR photos to print and display. Is there a photo resource to select from? Needing quality that will allow poster size enlargements. Kiosk will be seen at local schools for presentation days, airshows as part of " The Booth" and I hope to get one in the local Air/Space museum.
Jim Heffelfinger
Chapter 52
Sacramento