This is an example of the responsive, user friendly HW Image Widget available for WordPress 3.5 and up. Its free for download from WordPress.org.
Did you know it sports the TinyMCE WYSIWYG editor for the text?
WordPress 4.0 is just around the corner and to prepare for it, the HW Image Widget has been upgraded to support it. It also sports a few bug fixes and overall improvements.
See the changelog for HW Image Widget 4.0 on the WordPress.org plugin page and upgrade today.