basic repetitive html changes, some design work

I need a helper for basic repetitive html changes, some design work. I need the bid to be by a per job basis. The average html changes take 15 minutes to 60 minutes depending on detail of work being done. The design is usually 30-60 minutes. I need someone whom I can send stuff to and have done within 24 hours, who is willing to work on a job by job basis.