iPhone SLR Mount - Forget about the fact that you're going to have to carry around a big ol' lens. The iPhone SLR Mount is here to give your iPhone access to Nikon or Canon lenses for supposedly awesome quality photos
Use Your Camera's Aperture Priority Mode
How to Use Your Camera's Aperture Priority Mode. Aperture-priority mode is the favoured auto-exposure mode of many photographers because of the control it gives, from people shooting vast landscapes to those photographing the smallest of.
Improving Your Product Photos With Backgrounds, Color and Lighting
UK Edition: Choosing a Background for Product Photographs on Etsy
Shutter speed visual Boost Your Photography: Shutter Speed: an overview
DIY Photo Cards using Digital Templates
DIY Photo Cards with Digital Templates // Creating your own, personalized holiday cards is easy with these simple to use premade digital templates!
Sony - Alpha Mirrorless Camera with Retractable Lens - Black
Doe a Deery: Exposure Made Easy PART Aperture -- best explanation of the exposure triangle yet, 3 parts.
Behind The Scenes: Taking Photographs for the Blog
Links & Tips for Cameras, Lenses, Tripods, Lighting
It's not so much a "challenge" as it is something to inspire you to be present. Don't let the word "challenge" scare you and prevent you from participating. There's no reward, no punishment -- just an opportunity to be more present.