Stephanie Leary

Allows you to import only selected content from WordPress, Blogger, or Tumblr sites. From the Pending Imports queue, you can select which posts to import, and which content type they should become (posts, pages, or any custom post type).
Sponsored by <a href="http://pressbooks.com/about/" rel="nofollow ugc">PressBooks</a>.

Selective Importers

Importers that put the incoming content into a queue, where you can select which posts to import.

Scott Taylor

Your Media Library and Post History are a wealth of information and assets. Tumble allows you to pick items to share on Tumblr with just one click. The plugin is smart enough to know what kind of content you are sending and will make the proper API call to Tumblr. Super easy!
Read more: http://scottctaylor.wordpress.com/2010/11/18/new-plugin-tumble/

Tumble

Tumble is simple-to-use and allows you to manually send Posts, Images, Audio, and Video to Tumblr from within your Dashboard/Media Library

Selective Importers vs Tumble