It will wait 10 seconds before going to the next slide. The circles will show you details. Press space if you want the car to disappear.
The computer I could use can take and save screenshots. makeagif.com and ezgif.com are the subject websites. You can also find gifs for your profile image instead of making one on your own. http://giphy.com/ is my choice for .gif surfing. If ezgif doesn't work, use http://www.online-image-editor.com/ instead.
