I highly recommend not learning flash. It's a somewhat lazy program, learn after effect and the god-blessed puppet tool. But before all of that be sure you can draw On the computer well. IRl I draw fine but I had to relearn everything. A good helping of art/digital media classes are also a good start and don't jump into a big project, make like a five second looping gif of someone running. It feels good to be back on this site
I'm still here...... and having to learn after effects because flash is not good at animating. it's mainly used for the videos game theory and the chesire cat studios does.