Doggie Cards!

These doggies are by Pink Cat Studio. I LOVE their cat stamps and I like these dogs but I'm not quite as in love with them as my cats. I know the cards are almost the same, I ment to cut it as a circle, then thought, oh well I'll use the oval too so I just finished it out and made the same card. I cut the scallop with fancy edge scissors, it was a pain in my butt and they cut all funky and frayed in places, but I like the finished product pretty well.

Ok, I need help. I masked with a post it note to get them on the a muse oval and that worked fine except see how there is some white around the masked part? I did cut the mask super close in, right on the black line, that white is where the stamp was lifted off slightly by the height of a single post it note! So what the heck do I do about that? It's totally unacceptable to me because I'm anal about these things. Do I just cut my masks on the inside of the line so it doesn't do that? Or is there some other magical trick I should know. I did use a foam stamping pad one one, and then tried it without on the other... errrrrrr!