Aspyre Apps has announced that their award winning photography guide, PhotoCaddy, is now available for the iPad. PhotoCaddyHD is a handbook for photographers of all skill levels, with content that is constantly evolving thanks to an active user community Users of PhotoCaddyHD have access to a broad range of photography topics, with each topic containing a number of built-in suggestions on how to take better photos. To supplement this content, customers are able to contribute their own tips and advice. "Users can vote for the tips they find useful, which means the content is continually expanding and improving." said Ben Williams, founder of Aspyre Apps. "PhotoCaddy for iPhone was a…