Upload the files to the wp-content plugins tumblr-importer directory..
Activate the plugin through 'Plugins WordPress..
What I did was edited the code to replace all HTTP tumblr com with HTTPS..
It saves me some time by creating the posts and syncing the post date, however it hotlinks images, and doesn't import the text very well.
Single picture posts are converted into gallery posts, i.e instead of large picture as Tumblr, you get the smallest available thumbnail size, then you will have to modify each post because the width and height are hardcoded into the img tag ..
Audio posts are problem too, the importer converts Spotify embeds into broken links to non-existent mp3 files..
Browse the code, check out SVN repository, or subscribe to the development log by RSS...
They no longer recognize the in URL, and instead expect non-urlencoded callback in the request-token call.
Significant improvements in the performance of the importer.
The audio, video, and image formats no longer use the caption for the titles.
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