Why the lined paper?
Beads, cloth, paper... all of which have been introduced around the same time, and it was at a period when natives of the plains were losing their homeland to new conquers and their refusal to give up the right to be free caused many to be imprisoned. Many of the earliest ledgers were done during incarceration. Like bead work, it has become a medium for a traditional style.
Why humor?
In the Lakota tradition there is the Sacred Clown and what drawing reflect that humor, I see that as part of the old values of traditional life ways.
Why are they so tall?
At a Pow Wow in Colorado, just before grand entry, as the ladies category was ready, coming out in the afternoon sunlight made their shadows stretch long and that's where I got the idea from.
Have more? Ask me.