
Add an image that stretches full width of the page

Add an image that scales no larger than its max size, centered

Add a full-width image with a caption on top.

Add an a snippet block that contains both image and text.
Once the placeholder image is added as part of the snippet block, you can replace the image with your own by hovering over the image and clicking the relevant icon that appears.
Blue Camera Icon - Browser directly for a new image and replace
Red Chain Icon - Launch the Image Properties popup window and change, link to a page and other options
Orange Crop Icon - Reshape your image, or all images in the row
This video shows the process of uploading your own image using the blue camera icon.
Images can be added via the + Add Snippet block button or dragged in via the sidebar
Click your mouse into an existing snippet block or text area, then click the + icon bottom right and choose IMAGE from the options available.
Click your mouse on the image and click the X icon bottom right.
This is a great option for copying / pasting images even on your own website.
Find the image on the required site, In the browser - right-click the mouse and choose COPY IMAGE LINK or similar.
Paste the image url into the IMPORT IMAGE(S) BY SRC/URL field rather than browsing for a new image and import.