Hey @ I don't know if I understand what you mean.
Look 
This is the code you get when you upload an image into a post. The image is not clickable.
• <a href="https://steemitimages.com/DQmUv4uZLEzQ1sPtLy2KkzDL7nNqoWUdPybkRuK1HeBSzcg/IMG_20180216_234512_865.jpg"><img src="https://steemitimages.com/DQmUv4uZLEzQ1sPtLy2KkzDL7nNqoWUdPybkRuK1HeBSzcg/IMG_20180216_234512_865.jpg"/></a>
Now the image is clickable and you can see it in is full size.
• <a href="https://www.google.com"><img src="https://steemitimages.com/DQmUv4uZLEzQ1sPtLy2KkzDL7nNqoWUdPybkRuK1HeBSzcg/IMG_20180216_234512_865.jpg"/></a>
Now the image is clickable and if you click send you to google
Hey @chron as far as I know if you can upload it you can use this tip
The images are exactly the same size for me. Is just seems to add a source for the image.
I usually use this markdown (ignore "") to add sources to images: "["IMAGE"]"("LINK") and it seems your markdown does the same.
Hey @ I don't know if I understand what you mean.
Look
This is the code you get when you upload an image into a post. The image is not clickable.
•
<a href="https://steemitimages.com/DQmUv4uZLEzQ1sPtLy2KkzDL7nNqoWUdPybkRuK1HeBSzcg/IMG_20180216_234512_865.jpg"><img src="https://steemitimages.com/DQmUv4uZLEzQ1sPtLy2KkzDL7nNqoWUdPybkRuK1HeBSzcg/IMG_20180216_234512_865.jpg"/></a>Now the image is clickable and you can see it in is full size.
•
<a href="https://www.google.com"><img src="https://steemitimages.com/DQmUv4uZLEzQ1sPtLy2KkzDL7nNqoWUdPybkRuK1HeBSzcg/IMG_20180216_234512_865.jpg"/></a>Now the image is clickable and if you click send you to google