You can't post on any community via DTube. DTube posting is on DTube only. I provide my dtube channel link in my each post. Go to the D.Tube website from there then upload video same as Youtube. Before upload you need to create account on DTube first. After publishing your video in D.Tube it will automatically post on DTube community of hive as your hive post. Thanks.
If find any trouble feel free to knock me.
Ok i will try posting a video today. If any problem arise i will knock you. Thank you for your response.