Photoshop, iPhoneography and lots of free online tools: These are tutorials and user-friendly, resources on how to edit photos and/or videos in a creative way.
Photo taken on my #iPhone4 using the fisheye lens from the #olloclip Then edited using #snapseed for blackandwhite effect, #adobeideas to paint a blue layer, and #photowizard to blend the layers using the color blend mode.