Grab all images & videos from any Tumblr site, or view ten pages' worth at a time. The new experimental option grabs every post in addition to grabbing every page, so "behind the cut" and "read more" images are no longer missed. Additionally, mousing over any image shows a permalink to that Tumblr post. Additionally additionally, image sizing and page layout options are instantly adjustable.
The existing modes for scraping the whole site or browsing images from every page remain unchanged.
The button for getting to this script should now work more reliably. It's not perfect; some Tumblr themes are goofy. Any uncooperative site can still be scraped by clicking the Greasemonkey icon, selecting User Script Commands, and hitting Scrape Whole Tumblr Blog.
If your browser has the Greasemonkey or Tampermonkey plugin, install the script here: