Pexels.com: Good quality CC licensed images you are free to use

Wood Frame Mini Chalk Board: CC0 licensed image by Pexels.com https://www.pexels.com/photo/wood-frame-mini-chalk-board-159622/
    Wood Frame Mini Chalk Board: CC0 licensed image by Pexels.com https://www.pexels.com/photo/wood-frame-mini-chalk-board-159622/ 

Making web site of Twitter posts attractive needs good images, and Pexels.com looks a good source of quality, free stock photos if you don’t have anything else available. 

They’re all free to use for personal or commercial purposes under a Creative Commons licence.

If you’re using the Featured Posts Grid or Slider in the Twenty Fourteen theme, this is an ideal way of quickly finding appropriate images to illustrate those posts which don’t include your own photograph.