wpForo – GIPHY Integration addon adds [GIF] button on the bottom right side of topic, post and private messaging editors.
Clicking this will open a new popup where you can search for your favorite gifs and insert them in your post content.
In the Dashboard > Forums > Settings > Giphy Tab, you’ll find this addon settings:
Installation and Configuration
If for some reason you cannot install this plugin using WordPress plugin upload system, please do that with this alternative way. Unzip, and then upload the /wpforo-giphy/ folder to your /wp-content/plugins/ directory using an FTP application like FileZilla; or any other FTP program is fine also. Make sure you have not double /wpforo-giphy/wpforo-giphy/ directories nested inside each other, please correct this before you continue. Then go to WordPress Dashboard > Plugins, and then activate the wpForo GIPHY Integration addon.