Code:

http://www.youtube.com/watch?v=qMX_EoF3izc

This will scrape as many images from pinterest as your little heart desires. Just choose how many threads you want, and hit run!

Code:

http://moobots.com/moobots-pinterest-image-scraper/

Code:

http://www.virustotal.com/file/ab8951b7bc1fcbef3b7b9214d347eb6e458e550432491058d293a1a139c5ff2c/analysis/1347036905/

Made with ubot, so theres a couple false positives. Any suggestions for a bot? Let me know! Add me on skype: zonfar