How to Add pictures to Canvas discussion
Go to the Account icon on the left-hand side, and then click on the Files link
You can upload a file into either folder of your choosing, it will be saved in your Canvas account, once you upload the file, go back to the Canvas course/discussion
Click on the “Embed Picture” link in the Reply box
This will bring up the Insert Image box This will bring up the Insert Image box. Select the 2nd tab, labeled Canvas. Go to the folder where your picture/image is saved and select the desired image. You can alter the dimension ratios if you would like, and then upload the file. This will embed the image into the actual reply