The first couple pics were found here: http://phresh-mentality.com/?tag=nail-design
Definitely check out this site. I'm soooo loving it ! The blogger tells what nail polish (brand and name of color) she uses to create the look. I will definitely be referring to this site as I embark on my journey of do-it-yourself nails. If you like her site, please become a follower ! Follow mine as well, since I'm the one who told you about it. Ha!
The next site to check out is gatzu.com. I found the next couple of pics here: http://www.gaztu.com/nail-art-design/leopard-prints-nail-art-2011.html