Under Ads, you can select any ad and mass deploy it to any ad spots previously marked within the episodes on your account.
Video Walkthrough
Step 1: Click "Ads" from the left side menu
Step 2: Select the ad you would like to deploy. You can select multiple ads for randomization between those selected.
Step 3: Select a type of ad spot to deploy the ad to and which episodes you would like as well.
Step 4: Click "Assign Selected Ads"
Step 5: Select the shows and/or episodes you would like those ads deployed to.
Step 6: Type "proceed" to confirm changes.
Step 7: Click "Save"
Step 8: Wait for the episode to fully reprocess (can take up to 30 minutes depending on how many episodes were selected).
Please note listening apps can take 24-48 hours to reflect ad changes.