I use Shutterfly every year to make calendars and photo books. As well as gifts! Always have great deals and turns out exactly as expected.
Shutterfly
Used them for a couple orders of rather large canvases and I have loved how they turn out. Really great quality
CanvasChamp
I use Walgreens for my everyday prints and I love how glossy and vibrant they are. Website is easy to use (uploading, editing, purchasing). I get anywhere from 2x3 prints to 16x20 posters!
Walgreens Photo
I buy the majority of my frames from Michael's! Have a wide variety of sizes - including the rare ones! Also have great prices and deals often!
