Are your pictures too small to be of much use to the reader? Then use small/medium ones in your post, and prepare full size images for readers who want to see more detail. Here’s how:
Click on Upload/Insert. Navigate to the large image. Under Link URL, choose File URL button to link to this large version. Now when the image is clicked (you’ll see a border around it) it will display a full sized version in a new browser window.
