You can show your Rise leaderboard on Geckoboard as a dashboard element by embedding it using Geckoboard's Custom Widgets feature.
Here's how to do it in words:
On Geckobard
- Click on Add widget
- Click on Custom Widgets
- Click on Leaderboard
On Rise
- Click on Distribution
- Click on Get Embed Code next to Dashboard Widgets
- Cut and paste the Embed Code
On Geckoboard
- Paste the Embed code into the URL Data Feed field on the leaderboard widget settings
And in pictures: