To change the photo that appears for a specific piece of equipment. First you must save an image of this equipment on your computer. Then, go to TG Manager and go to the "Club" menu, choose "Areas/Rooms" from the drop down menu. Choose the room where the equipment is located. Then choose the "Equipment tab." You can search for the name of the equipment or filter to find the equipment you choose to modify.
Once you have located the equipment you wish to modify. Simply click on the small arrow in the right corner of the equipment card and a pop up screen will appear and allow you to select the file on the computer you would like to upload. Choose the image file, accept and now the image should be replaced. Press "Save" to keep your changes.