The Pumpkins have had a number of pick designs over the years, from the Siamese Dream-era slim, curvy SP heart logo, to the Zeitgeist-era blocky SP heart logo, to simply a '0'. Most, if not all, have been Dunlop Tortex, in various thicknesses (we've seen 1.00mm and .73mm). Here's a few of them.
[product page]