Microsoft Image Composite Editor is a free handy tool from Microsoft that combines multiple images into one such as panoramas.
I was at the airport picking somebody up today and I took pictures of a mural depicting various people in the energy business. The mural was too big to fit into one shot so I took five photographs with the idea of combining them somehow.
The result
All I did was open the photographs into the program and it did the rest.
It’s free, check it out at the link above.