V.J.Catkick

Sidebar widget which displays one photo from your tumblr entries randomly. This widget pulls only photo image which you uploaded and/or rebloged.

Random Tumblr

Sidebar widget which displays one photo from your tumblr entries randomly. This widget pulls only photo image which you uploaded and/or rebloged.

dechadou

This plugin will allow to import images from any Tumblr blog into wordpress. 
It will automatically create the posts with the image set as Featured Image.
You can also set the post format (Standard, gallery, etc), the ammount of images to be inserted and the status of the post (Published, Draft).

Tumblr Image Importer

This plugin will allow to import images from any Tumblr blog into wordpress.

Random Tumblr vs Tumblr Image Importer