To publish your Vidpresso Stream to your Periscope account you need to first find your Streaming Server URL and Stream Key. There's a complete walkthrough video at the bottom of this page.
Open the Periscope app on your device and click the People icon in the lower right corner.
Click your profile link in the upper right corner, scroll down and click Settings then scroll WAY down and click Advanced Sources.
**IF YOU DON'T SEE ADVANCED SOURCES IN YOUR APP YOU PROBABLY NEED TO CONTACT PERISCOPE, SEE BELOW.
"If you are a broadcaster interested in using this functionality, you can apply here: t.co/periscopeproducer. Once accepted, you will receive an email from our team and will be able to see the Advanced Sources option in app Settings. Below are instructions on how to create a Producer broadcast. For visual instructions, please visit this page." -PERISCOPE
Here you want to click +Create Additional Source. This will give you a Server URL and a Stream Key.
Copy this URL and Stream into Vidpresso following the instructions in this article.
After you start your stream in Vidpresso, you'll be able to see your stream in the Periscope app on this same Advanced Sources screen. Verify that the stream is working in your app and push it live. Then control your graphics and stream from Vidpresso.