Firstly, here's a list of integrations that have media widgets:
Google Ad manager
And here's a quick overview of how to use them:
Step 1: The first thing to note is that there are two options. You can choose the Compact media and the Expanded Media widget. Choose which one you want in the 'Build your own' section or just drop one from the Pre-made widgets.
Step 2: Just select your metrics, dimensions and whichever necessary information you need. If you want the widget to be scrollable, just choose that in your 'Settings'