Chad Madson is wheelchair-bound, nonverbal and only has the use of one arm. But the 37-year-old doesn’t let cerebral palsy keep him from pursuing his passion for photography. Even with his physical limitations, the Lincoln man takes professional-quality photos with the help of a custom-made tripod attachment for his wheelchair and assistance from Region V Services. “Since having my camera on my powerchair in front of me, I am able to independently do all of the camera settings with no help,” he said in a written response to questions. “As my interest grew stronger, my passion for photography grew.” The tripod was specifically made to fit the attachment that normally holds…