Say you want to embed an Instagram feed, Soundcloud Player, or YouTube video to your Bombplate.
Following these steps will show you how to add custom widgets to your sidebar.
1.) Create a new Custom Widget (Quick Add -> Widget - OR - Design -> Layout -> Add Custom Widget).
2.) Change the "Input Format" (located below the Body field) to "HTML".
3.) Paste your embed code (YouTube, Instansive, etc.) into the body.
4.) Choose the widget location and which pages you want it to be visible on.