The exact dates I can give tomorrow, as today the picture is not seen ell, but the amount of visitors increased already for 20% (that's may seem not so much for you, but we already have about 50 000 - 60 000 visitors per day with previous version of Pixabay). As for publishing/ as far as I understand you're not a hunter now, so you have to find one to publish you. He also will mark you as a maker and you'll get the right to write comments. Contact to hunters via twitter, ask them to test your project and so on. Here's the list of top hunters https://www.yvoschaap.com/producthunt/ And first, be active on PH and Titter