Inkscape Tutorial: Flat Vector Landscape Design
http://www.youtube.com/watch?v=3wrnTdSqfSk
http://www.youtube.com/watch?v=3wrnTdSqfSk
http://www.youtube.com/watch?v=eVNkE5Lmt48
http://www.youtube.com/watch?v=2bWLhJv3a7Y
http://www.youtube.com/watch?v=GFYgUS5rsvo
http://www.youtube.com/watch?v=C_Y5PEWjnS0
http://www.youtube.com/watch?v=GTKE8U9seRU
http://www.youtube.com/watch?v=TOEh3aoY-94
http://www.youtube.com/watch?v=Mi9WSliuCoA
http://www.youtube.com/watch?v=vMhJu-siU30
http://www.youtube.com/watch?v=UmsBpiug5xE
https://www.youtube.com/watch?v=jpEGwtcFev8