Use your backpack, the little pull up bar in edit mode on the bottom, to drag in sprites, costumes, scripts, the like. To get the sprites, drag the picture of the icon for the sprite to the backpack.
This is project is for EEEEEEEEESCRATCH's project -- Warriors W.I.P. Definitely check her profile out! She hasn't done much yet, but deserves all the support she can get!
