40 Sites with Amazing Free Stock Photos
Amazing list of 40 Free Stock Photo sites who offer beautiful high-res images for free. If you are a graphic designer you will want to bookmark this amazing list! 
Design Guide: 10 Design Principles every Designer should know
A Beginners Guide on How to Become a Better Graphic Designer - 10 Principles and Elements for Succesful Graphic design, illustrated with visual examples. 

I love Tiny Prints selection of announcement cards, they really stand out. Placed an order with them for the first time, and everything went well.
Rating: 4 / 5
Tiny Prints is best for every occasion.
I have ordered our holiday cards, invitations and personalized stationary from them.
If the format you submit is off or your grammar is in question, Tiny Prints will call you, asking for clarification.
Not many companies pay such great attention to detail. Their selection is extensive, quality is high and their prices are the best. I highly recommend ordering from them.
Rating: 5 / 5
Lovely designs but service is slipping and quality dropping when it used to be excellent. Feedback on their site is completely fake (they will only post positive reviews) Been using them for over a decade but my last order was disappointing: send them a perfect high-res image but the print was blurry and showed a blue-ish hue all over. They are reprinting, but it will be to late by the time they arrive.
Rating: 3 / 5
I didn't know about MOO until i read this site, ordered double sided business cards with them and im very impressed! Great looking quality cards, not cheap but well worth the price.
Rating: 5 / 5
Im quite happy with my photo book from Snapfish. It was delivered in good time (took 6 days) and the quality is excellent.
All images look bright and clear, there is no un-sharpness anywhere.
The cover photo worried me as it looked out of focus on the computer screen, but turned out sharp and vibrant on the book itself.
Unfortunately there were a few restrictions when i placed the order.
It is impossible to add frames or borders to the images and there is only a small selection of clip art. The selection of backgrounds however is very extensive.
If you are a simple computer user like me i recommend the Snapfish photo book service.
Rating: 4 / 5