Hi @spawnraven
Thank you for contacting us about your data Tables Plugin questions.
Accordingly to the drop boxes – you have ability to add them by following the next instructions:
1. Open the needed table admin area
2. Go to the Editor tab
3. Select the cell you need
4. Click the dropdown button – http://prntscr.com/i3u7xt
5. Click Add Option to create a new row inside drop down list
6. Fill in the rows and click Apply – http://prntscr.com/i3u8wy
7. Save changes you made