Great picture sources

In times where copyright becomes more and more important. It is a challenge to compile legally great presentations without paying a fortune for picture rights. I found some sources of really great pictures for my and your presentations without legal issues.

All of these sites have licenses granting you all rights on the pictures with and without naming the photographer. Even the right to modify and redistribute the pictures. Unless using the pictures to create a similar service.

and when it comes to icons then you will find here great variety of sources