realgoodai.org/fundraising-campaigns/p/
Leave blank to auto-generate from the campaign name.
Leave blank for an ongoing campaign with no end date. Shown to visitors as "X days left".
JPEG or PNG. 1MB max. 16:9 aspect ratio recommended.
Social links (optional)
Get a notification (e.g. in-game via a Minecraft mod) whenever your campaign receives a donation. Use HTTPS, and include a long random token in the URL (rather than a guessable path) since anyone who has this URL can trigger it — treat it like a password.