Note: These alerts are included as a free extra in the Razor Green overlay – take a look if you want a matching style throughout your stream:
http://twitchoverlay.com/downloads/razor-green-overlay/

If you’re rocking the Razor Green or Poison Cloud stream overlays, or a metallic green overlay of your own, this is the perfect accompaniment to give new followers, donators, hosts, raiders, and subscribers a stylish shout-out.

This download now includes animated alerts: