Magn WP Drag and Drop Upload
dndupload?) to the
Once the plugin is activated, you can go to New Post and a new meta box should appear under the editor.
How to use it
You can configure the default thumbnail image. This option is very useful if you want to avoid posting the full or large image in WordPress post. It is recommended to setup your Medium size dimensions and then configure the plugin to "send to editor" a medium size image instead of the full image.
Also you can take a look at this video to learn how to use it. http://www.youtube.com/watch?v=MDIkTGpkfwQ