I've had this about 14 years and am just getting around to playing with it. The 7hp Briggs has compression and most all labels are still very readable.
Everyone will have to wait for the site to allow photos again some day in the future.
I'm thinking the filename your trying to upload is either too long or has something weird about it. Try a shorter name. The "Mid" is some "code" which is trying to parse the statement(file) being posted.
This one has a height adjustment crank under the seat sticking out the back. You have to loosen 4 bolts through the frame and slots in deck angles before and after using crank.