sageshilling

Like Cheese provides a number and an image of a heart beneath site images; 
hover on the number to see the display names of past visitors that liked the image. 
Visitors can register like/unlike your site images; heart image changes accordingly. 
Uses Nextend-Facebook-Connect to allow for easy Facebook login and gain approved valuable site visitor information. 
Provides additonal image fields in the media uploader.
demo <a href="http://peaceoftheocean.com/shesellsseashells" rel="nofollow ugc">http://peaceoftheocean.com/shesellsseashells</a> 
<a href="http://www.orcawebperformance.com/like-cheese-a-wordpress-plugin/" rel="nofollow ugc">http://www.orcawebperformance.com/like-cheese-a-wordpress-plugin/</a>
*currently this version allows for adding likes to posts 
*3.0 coming soon to allow for gallery image likes, shortcodes

Like Cheese

Like Cheese lets your site visitors 'like' your site images.

Tribulant Software

Simply let users (whether logged in or guest users, your choice) vote/like photos/images on your WordPress galleries. Users can also retract their votes, if the Unvoting feature is enabled by the admin.
Installing and activating this plugin will place a vote/like link and a vote count below each photo of all WordPress image/photo galleries using the <code>[gallery]</code> shortcode.
<h4>Online Demo</h4>
You can try out the <a href="https://tribulant.net/galleryvoting/" rel="nofollow ugc">online demonstration</a> to see how the plugin works.
To log in, go to the <a href="https://tribulant.net/galleryvoting/wp-admin/" rel="nofollow ugc">demo dashboard</a> and log in with demo / demo.
<h4>Support & Help</h4>
For support, you can access our <a href="https://tribulant.com/forums/categories/gallery-voting-plugin" rel="nofollow ugc">support forums</a> to see if your issue was previously resolved there. Otherwise, you can contact us on our <a href="https://tribulant.com/support/" rel="nofollow ugc">support website</a> or on the WordPress.org support forum.
View the <a href="https://tribulant.com/docs/wordpress-gallery-voting-plugin/9015/" rel="nofollow ugc">online documentation</a> for installation and usage information.

Tribulant Gallery Voting

Let users cast votes/likes on your WordPress gallery images/photos.

Like Cheese vs Tribulant Gallery Voting