Images must contain our logo and name (attached to this brief), and the phrase "Streaming & Cloud Storage".
Please visit my site http://folders.io to understand the concept and ask me questions if it's not clear enough.
The most important image is the medium one (920x680). It must convey the idea of file streaming and cloud storage, while staying simple.
The biggest image (1400x560) can be the same as the as the medium one, with the necessary arrangements to fit the different ratio.
The smaller image (440x280) image can simply have the logo and name, and some cloud or something like that.
These are other guidelines required by the Chrome Web Store:
- medium or dark background
- images should display well when reduced to half size
Visit the chrome web store to get an idea:
Deliverables are PSD files.