The title should contain your channel name, e.g. [ExampleYouTubeName] Beginner series.
The posts created should be related to topic.
[ExampleYouTubeName] Beginner series
[ExampleYouTubeName] Current Spots
This structure allows you as well as other forum users to easily use the search function in relation to the channel name or even the reference name such as "Beginner Series" as an example