Final answer:
Additional AMA plugins can be obtained from Adobe Exchange, third-party websites, and specialized marketplaces. Ensure compatibility and security by sourcing from reputable providers. Trial versions may be available for testing before purchase.
Step-by-step explanation:
You can get additional AMA plugins from several sources, including the official Adobe Exchange platform, third-party developers' websites, or marketplaces dedicated to video editing tools. When searching for these plugins, make sure they are compatible with your version of Adobe software and are from a reputable source to ensure both functionality and security. Some developers may also offer trial versions of their plugins, which can be useful to test functionality before purchasing.