When opening a Test with images on the Test Steps, to have better visibility over the pictures attached, they should be presented as thumbnails, and should be clickable to see the original size.

When opening a Test with images on the Test Steps, to have better visibility over the pictures attached, they should be presented in Thumbnail mode.

When using big pictures is difficult to navigate and get the entire image.
Additionally, this thumbnail should be clickable to present the image in your original size.