At some point on my trip, my camera started taking square pictures instead of rectangular ones. These are the last pictures of Venice and Murano that I took, from the plane as we were leaving. The picture above is Venice. You can see the Grand Canal as it snakes its way through the island. Also you can just make out San Marco square. I've highlighted them in the next picture:
Below is the island of Murano, on the right hand side of the picture, kind of cut off. The plane was flying too fast! You can just make out the lighthouse at the Faro vaporetto stop toward the middle of the bottom of the island.