Save the biggest visible picture in your chrome.
Press 'S', then choose the folder to save your picture!
Use chrome to pack this extension.
TODO:
can not catch onkeypress @weibo.com's some bigger picture model
find ~/Downloads/ -maxdepth 1 -type f |grep -P "/.{10}T.{11}$" | xargs mv -v -t ~/Pictures/serendip