Outdoor Advertising Poster Space on Local Billboards for Local Businesses in the Thames Valley. Stand Out Head on, on busy roads and junctions. Posters are visible 24/7 and cannot be switched off, retuned, turned over or be blocked. You don't have to "Opt in" to see a poster. Posters are highly targeted ensuring little or no wasteage. Direct prospects to your business and web site with little or no competition from other adverts. Call or email me - Garry, for availability and advice on what makes a good poster. I have over 30 years experience in the Outdoor Advertising Industry. Poster sites in High Wycombe, Hazlemere, Marlow, Maidenhead, Burnham, Slough.What makes a good poster? - Location is hugely important but more important is the design. A good design will attract attention, inform, interest and direct custiomers to you. When designing a poster on a PC or Mac 18" from you remember the poster is viewed from 10, 20 to 30m away so make your Logo and copy BOLD. 6 words 6 seconds !