Don't hotlink to Pixabay. Re-upload your profile picture to https://imgur.com or some other service and use that link in your settings.

Also, does your code take into account the expected time of the votes coming in? If you vote before the 30 minute mark you'll be reducing what you get depending on whether the votes come before or after yours. If you vote at 0, you get no curation, I think. Stuff like that. Does the AI predict only higher earnings for the post or also higher earnings from curation?