How to Create a Mosaic in Inkscape – Inkscape SVG Tutorials
http://www.youtube.com/watch?v=YEzXai2wSPw
http://www.youtube.com/watch?v=YEzXai2wSPw
http://www.youtube.com/watch?v=s41_-qsmA7s
https://www.youtube.com/watch?v=jpEGwtcFev8
https://www.youtube.com/watch?v=1PX3KrwgLNc