Load you best positive pictures, they will motivate those who are not positive yet...(pls no nude/dirty/trash pic)
Love music, dance every morning, tell the best words to you and to beloved ones....and you wont event notice how world will gradually change around you...
Watch humor movies and smile, laugh, laugh as much as you can!!!
Read books of amazing authors, they have a lot what you can be taught to)
make the wall as friendly as you can with those amazing quotes of someone, or maybe yours one)