To add this to your Google Docs account:
- Go to the Add-ons menu at the top of your Google Document.
- Click "Get Add ons"
- Select "OpenClipArt"
Now the next time you want to add clipart to a Google Document all you need to do is go to the Add-ons menu and select "Openclipart" and "Search Clipart". A window will appear on the right side of your screen for you to search!