Inkscape Tutorial: Create a Teardrop Vector (Episode #35) @ Ardent Designs
http://www.youtube.com/watch?v=RNM5hU2Zi5w
http://www.youtube.com/watch?v=RNM5hU2Zi5w
http://www.youtube.com/watch?v=hbMsz6Rl5Kw
http://www.youtube.com/watch?v=aiQgMJeYuN4
http://www.youtube.com/watch?v=peA4kyFVNIQ
http://www.youtube.com/watch?v=jRVCLbsaAqg
http://www.youtube.com/watch?v=T6IPJS6Ucpw
http://www.youtube.com/watch?v=Z4jmtH5xMBs
http://www.youtube.com/watch?v=Noy1dh8-_vQ
http://www.youtube.com/watch?v=L8ql9owBqA0
https://www.youtube.com/watch?v=xehE0y3WqnA
https://www.youtube.com/watch?v=jBC4xRjJgzI
https://www.youtube.com/watch?v=97uWC0iXUiQ