Sometimes you just need to brighten up an image or add a tiny bit of saturation to make it really pop. Google+ has everything you need to make that happen. Google produced this overview to give you an idea of what is possible. Not a fan of watching videos? Check out the edit photos on a computer Google+ help page. LiNC created this video to show you these top four photo editing tools. Filters Brightness Saturation Cropping (best tool to make any image better)
All things teaching, learning and tech!