Inkscape Beginner Tutorial: Understand How to use the Marker Tool in the Stroke Menu
http://www.youtube.com/watch?v=TjwT9oocHDo
http://www.youtube.com/watch?v=TjwT9oocHDo
http://www.youtube.com/watch?v=yaWQZTpzZE8
http://www.youtube.com/watch?v=jC980Oaz4D4
http://www.youtube.com/watch?v=16ogoaBYzxk
http://www.youtube.com/watch?v=gjo2vo48mnI
http://www.youtube.com/watch?v=vH2kPfVH1Mc
http://www.youtube.com/watch?v=87NAh_u1t2E
http://www.youtube.com/watch?v=q6XVk4Ed3Aw
http://www.youtube.com/watch?v=AAObedYPRxE
http://www.youtube.com/watch?v=pGyYkWL4Is4
http://www.youtube.com/watch?v=9CPHbaua4a8
http://www.youtube.com/watch?v=4YVB5QPnPEk