I see that you are new here (first posted message). So, perhaps you are not sure how to display an image...
If you us the MCE format, in the control panel that is displayed, you will see a icon of a tree. Click on That Tree image. A window will open up to which you can paste in the image URL that you have previously copied. Then click on insert button. The image will be displayed, as below.
1st image URL:
2nd Image URL:
After doing so, then you can click on one of the images at one of the corners to resize the image to match the size of the other image... just a suggestion.