What kinf of stokes

Hi all,

Anyone knows how to do in flash these kind of strokes (outlines) like in this puppet?
http://www.mudbubble.com/

Notice that ofr exemple the outline of the eyes is more thin on the right and more big on the left, the same for the ear ans so on…

90% it’s made in flash couse that designer use flash a lot…but i’m not sure…so, anyone knows how to draw this kind of strokes in flash?

hi to all!