I already Pm'd Maria this info, but in case anyone else is looking for it too. I will post here.
I used card stock, that you would buy in staples or walmarts, not the fancy papers that cost a bundle, and only have a couple of sheets of each style on a pad.
it was 65# paper and it worked well, as far as grease spots i only had problems where i got icing on my fingers then touched the paper. I did ice the cupcakes and let them crust well before putting the wrappers on.
I did have a problem with getting the wrappers to the exact length i need as i only have the original cricut and it doesn't come with the fit to length option. Once provo craft gets these updated to the gypsy i won't have that problem as i can set it all through there. If you have design studio you could set the length there.
They were a big hit at my sons party, and the cupcakes were very simple just swirled, you would have thought i made some elaborate cake, and here it was these simple little wrappers.
No one seemed to notice that the wrappers were a little big for what i was doing, just me. I used the congrats wrapper, and sorry i took no pictures. Was too busy trying to get everything done.