Inspired by the wonderful expressions babies make, this plugin allows you to impose speech bubbles on top of images in order to add captions. 
It does not have to be a baby or anything about kids for that matter; it works wonderfuly for images with lots of expressions.
Please feel free to visit <a href="http://www.vannybean.com" rel="nofollow ugc">VannyBean</a> for any questions or more information.

Speech Bubble

Allows you to enter captions inside of speech bubbles on top of images.

danfinkler

jkim

Add some flava to your blog with the Giphy WordPress plugin!! Animated GIFs are a proven way to improve 
traffic, increase time on site, and promote sharing on social media platforms. Don’t take our word for it, 
blogs have already utilized Giphy GIFs to boost the popularity of their posts.
Adding a GIF with the Giphy plugin couldn’t be easier. Just click the Giphy logo button in the text editor, 
search or browse via tags to find GIFs, and click on a GIF to get a better view. Once you’ve found the GIF you 
want, simply click the “Embed into Post” button, and, voila!, the GIF is automatically inserted into your 
post.

Giphypress

The official GIPHY plugin allows you to embed awesome GIFs into your WordPress posts with ease.

Speech Bubble vs Giphypress