Software for russian social network vk.com

Need to create software that will work with populiar russian social network API - vk.com. Functionality: Software should cache profile pictures(avatars) from huge list of account and then display it for a user and give ability to save ID of fit profiles. So there is next steps of work: 1) User upload big list of accounts(profiles ID) up to 10000 from .txt file 2) User upload number of LOGIN:PASS accounts(up to 100-200 from .txt file), that will be used for scrape profile pictures 3) Press Start. after that software will start cache on local folder up to 10 pictures(avatars) from each profile(using list from 1) ) 4) After it finihed, it allow to user see all 8-10 pictures of each profile at one page, here is some example how it can look like [login to view URL], with buttons Next(show next profile pcitures), Previous(show prev profile pictures), Save(save ID of current profile) * [login to view URL] can block a lot of attemps to downloads profile pictures for many accounts, so siftware should use list 2) to prevent this as well as delay (1-2sec) between downloading pictures from two profiles