You can download variety types of pictures and free to use them for personal and commercial .
Freestocks.org is very simple and easy to use .
StockSnap helps you to download and submit your picture for free .
Unsplash also download and submit your picture for free .
High quality and resolution photography sites
Dreamstime is the place you can download and sell your pictures.
There is no difficult registration and easy to upload your pictures .
Other widely used royalty free sites
Snappa is good tool for graphics and design .
This is widely used by photographers and designers to convert your pictures into social media banners or pictures for your blog, Snappa will help you to transform them by adding new dimensions and effects .