Scratch

1. open the sprite in paint
2.make the background white
3.select the costume and copy
4.open a new paint
5.paste and save
6.open in scratch
7.right click and click "grab screen regon for new sprite
8.the sprite will have no background color
9.repeat steps 1-7 until you have all the costumes
10.drag all the costumes into one sprite


tell me if you don't understand or give me a link to the sheet and i will rip it for you