One member of your team creates a new VoiceThread and shares the link with your partner
Import copyright friendly images or upload your own images (all uploaded images MUST be copyright-friendly, and have a credit
Make the VoiceThread public
Both of you record comments on each screen to tell your story
Be sure to include credits for your sources at the end. (One option: Create the credits in a Google Doc, and add the link to the Doc to the last screen.)