I like this site jigsawplanet. You can take any picture and turn it into a jigsaw. You can control the level of difficulty and it offers a way of taking any topic and providing a bit of a fun.
I can see a potential for using this as a 'team' directed game where each team has to direct the teacher to move the pieces to recreate the picture: one puzzle piece is selected either by the team or the teacher: the team has to instruct the teacher in the target language to move the piece to the correct place on the board. eg:
à gauche à droite plus haut plus bas
au bord à droite / à gauche etc.
For example I searched for an image of the Nativity for Christmas, found this:
and changed it into this puzzle:
Try the puzzle here. Click on the image to try
You can embed the whole puzzle into your own websites.
As the puzzle software can only cope with jpg images, I had to 'capture' the text as an image. With a Mac you can do this with the 'Grab' utility provided in the Applications/Utilities folder. With windows you can use a program such as MWSnap. a free program. Once uploaded to the site you can 'chop' up the text and make a puzzle. Here is a version using the above text. Click on the image to try.