Easy DIY- a piece of wood- 4 legs (all of which are sold at home depot for around $5)- padding ( or an old old comforter or 2) and then staple pretty fabric :)
If you need an easy way to hang a curtain rod, use Command hooks. | 31 Home Decor Hacks That Are Borderline Genius
Fabric on canvas with wooden letters.
To paint over ANY surface, without sanding, use a product called 'ESP Easy Surface Prep', available at hardware and paint shops. Wipe on, wipe off and paint in 90 minutes. Works well over enamel paint , without having to sand. SAVES HOURS of work. It was recommended to me by a professional painter.