Since some of you asked me how to upload images to your personal lab, here's a quick guide that will help you understand.
1- Go to your personal lab page. At the bottom, you will find "files" tab. Go to this page and upload the image you want to show on your page.
After you upload all the images you want, right-click the image you want and "copy link". Then, go to "edit" at the bottom of the page.
You will see an empty space in which you can type in. Type in the line underlined in blue in the image. Replace my image link with your own link.
I hope this helps!