It will replace URLs of all external images in your posts..
URLs will get replaced with image copy URLs..
The action will be made on the post page preview, not in the admin Edit page or after post save..
On the page view we see that URL is changed with local copy URL ...
Upload the folder to the wp-content plugins directory, or install the plugin through WordPress plugins screen directly..
Activate the plugin through 'Plugins screen WordPress.
To change the settings, go to Dashboard -> Plugins -> Download External Images In Posts.
When you have lot of images from external sites, and you think it takes lot of time to load or you want to have copy of them into your site local folder...
Within the middle of the time, visitors need to wait for the download and serve the content..
Browse the code, check out SVN repository, or subscribe to the development log by RSS...
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