Inkscape tutorial create a vector ribbon with a bend effect path effect editor
http://www.youtube.com/watch?v=OSuLF4FfeGA
http://www.youtube.com/watch?v=OSuLF4FfeGA
http://www.youtube.com/watch?v=w1Ryk6LQ3EI
http://www.youtube.com/watch?v=0icrVqiX7B0
http://www.youtube.com/watch?v=Uo2jvUI457g
http://www.youtube.com/watch?v=uWeWcvoyx4Q
http://www.youtube.com/watch?v=Vh4iayDj7ac
http://www.youtube.com/watch?v=L8ql9owBqA0
https://www.youtube.com/watch?v=cP8mb16YQGg
https://www.youtube.com/watch?v=tb9KmW_x2A0
https://www.youtube.com/watch?v=hr7V5Aioz3s
https://www.youtube.com/watch?v=GMEbwFTFrnI
https://www.youtube.com/watch?v=KN2yBsushdM