LG Digital Signage for PET SHOP

We recently purchased an 86" LG digital sign. we need to run images and advertisements on it. We sell Food and medications for DOGS< CATS< BIRDS< FISH< RODENTS< GUINEA PIGS< RABBITS< REPTILES, we also SELL Aquariums and live fish, live birds and cages, small animals and such. We want to continually improve and refresh the video so it is always different. will be run 24/7. MAIN ROAD at a large intersection with traffic lights. we may also sell advertising space on the screen hence we may need someone ONGOING