Images taken from the internet:

1) image utmzones.png:

http://upload.wikimedia.org/wikipedia/commons/e/ed/Utm-zones.jpg
licensed under GNU FDL

2) Image latlon.png based on printable-world-map-topographical-wik.png 
http://www.printableworldmap.org/printable-world-map-topographical-wik.png
It is licensed under Creative Commons license which can be read at:
http://flickr.com/creativecommons/by-nc-nd-2.0/ as written under:

3) The image "projection-family.svg" was created on basis of the 
web illustration "projections.png". You find the original image here:
http://earth.rice.edu/mtpe/geo/geosphere/topics/mapprojections.html