lets not beat around the bush and be polite, this man is going to spend his hard earned cash on this project.
They look rubbish, all of them. They look liek some kid doing a CDT/IT project for his GCSE.
Spend the money getting proper stickers designed now and you will reap the benefits later.
I took the DIY route and failed because of it.
Please dont be offended, im just being brutally honest and speaking from experience
Unfortunately stickers sell bats.