Below are the Youtube links of the vedios which show how to customize those products:

• For customize tire covers: https://youtu.be/yZosQN8qe7U
• For customize bbq covers: https://youtu.be/ZfmdYWJpzrM
• For customize shower curtains: https://youtu.be/1sWUje86RAE
• For customize playing cards: https://youtu.be/yidIB4EX9Eg
• For customize gazebo replacement tops: https://youtu.be/OkkXg5a6ENg
• For customize t shirt: https://youtu.be/2bCV9f0dXZA

For customizing steps of other products, they are similar to the steps in above links.