If you have nice pictures of your products or services, feel free to add them to your gallery. This way, as individuals come to your account, they are able to see your work.
To add images to your gallery, click on your name in the upper right corner and select "View Profile".
Scroll down the page until you find the section labeled "Gallery". Click the blue "Add Gallery Images" button.
Click the blue button that reads "+add files" to select the images you want to upload. Once you have finished, click the green "Save Files" button.
For information on what sizes you pictures should be, follow this link: