The layout you have chosen is masonry and the longer image and alignment/layout is all intentional and not a bug. Pls choose FitRows as the layout under “Course Layout” in Layout Modes tab of theme options and every image will be resized and aligned as per your need. The masonry layout does not seem to fit into your requirements at present.
For the course id, can you pls check if the course id has been specified for all courses. I see at least one course having the course id and showing up on the screen. Pls provide temp login in case you are not able to resolve this. Thanks