Poco

This plugin searches your blog posts for images that are hosted on Blogger (blogger.com or blogspot.com), 
downloads them to your server, and updates your posts to refer to the downloaded versions.

Blogger Image Import

A plugin that copies blogger hosted images to your local server and updates the links within the posts.

Aeryn

This plugin creates the shortcode [sponsor] to implement a default disclaimer line wherever and whenever its required. The Sponsorship Disclaimer plugin also creates a button in both the Visual and Text editors to quickly create the shortcode without having to remember any code for it.

Sponsorship Disclaimer

Using shortcode [sponsor] to apply a default sponsored article disclaimer where needed in a blog post.

Blogger Image Import vs Sponsorship Disclaimer