Hi @ethomas22 
Adding images can be done in several ways. I'm not sure if you are an instructor or a student so will give you guides for both.
Instructor
How do I embed images from Canvas into the Rich Content Editor as an instructor?
How do I embed images from the web in the Rich Content Editor as an instructor?
How do I embed an image in a discussion reply as an instructor?
How do I embed images from Flickr Creative Commons in the Rich Content Editor as an instructor?
Student
How do I embed images from Canvas into the Rich Content Editor as a student?
How do I embed images from the web in the Rich Content Editor as a student?
How do I embed an image in a discussion reply as a student?
How do I embed images from Flickr Creative Commons in the Rich Content Editor as a student?
Sing out if you need a hand.
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