The Android Icon Designer Starter Pack by +Samantha Conner packs over 1800 Icon Bases and can be your easy icon designer start . For just 25$ you get PNGs and Vector files of all popular Android Apps.
Android Icon Designer Starter Pack
Well known for her Icon Packs Samantha now offers the bases of her packs for small money.
If you already were looking for Icons to use in Zooper Widget or wanted to start your own Icon Pack, this is an easy way to do so.
Her G+ post gives you all the info you need.