We can add images just by including image embed code in our blog.
It supports various blogs including wodpress.
And, you can freely use all the images from this site without thinking about license issues.
It will a SEO booster as all PicApp images include the right meta-data to assist search engines index the images and the posts better.
Google has integrated picApp API in knol.
Find below the image which was embedded from this site. By seeing the src of the img tag we can understand that this site uses cdn which will improve the image delivery speed.
You can follow @picApp to get updates from picApp Team.