If you like jigsaws here are some online of medieval images courtesy of Jigsaw Explorer.
You can alter the number of pieces from the menu in the centre of the screen.
Garter stall plate of Lord Hastings
Titulus Regius document
Houses of Lancaster and York
White and red roses motif
The Shambles, a medieval street in York
Going to a Joust
Richard III Portrait
You can make your own jigsaws by uploading an image here: