But in your photo description you put pictures on post, and even without the plugin i tested i an also embed videos and piuctures
Please note, that we're talking about the wpForo Embeds addon, it doesn't have photo and video uploading and displaying functions. you should get wpForo Advanced Attachment addon for this purpose. wpForo Embeds only converts 3rd party content providers share URLs to according widget or player. For example youtube, SoundCloud, Instagram, etc...