This apps supports you, if you want ...
- to download amazing public domain pictures (free for commercial use)
- to browse them in a great way
- to download them easily
- to search them by keywords
- to save them to your Dropbox
The app requires internet connection.
Pictures with low quality can be downloaded for free, high resolution pictures can be bought via InApps.
If you have suggestions to improve the app, just write an email.
- optimized speed
- offline viewing
Butterflies 
Super-Cam 
IdentifyTree