I posted 9 free alphabet bottlecap sets over here for you, and I have a few more to share.
The same rules apply, don't sell the digital sheets, I'm giving them to you for free. You may sell finished products made with them, and if you re-post link back to me. I hope you can get some use out of these!
Just click to make it big, right click, and "save as" and print at a 4x6 size.