Hi everyone, i have a canon s80. im new with it. what is the largest size poster print i could pring on this bad boy? i'm looking to make something maybe 16x24. should i set the camera to largest resolution? and just go from there? what are some things i must know about making prints this large. any suggestions on quality affordabe print sites, type of paper.... (not sure what glossy or matte looks like in person, i just want the typical paper that posters are printed on), sizes, resolutions, dpi, etc......... thanks!