First thing's first: Share your channel here!!!!
Hover over your name in the top left of the site
Select "Personal Details" from the drop down menu
Then locate the box for "YouTube Username"
In another tab, go to your channel, and copy the last part of the URL, the mush of numbers that looks like UCRCFOfNks3a1gHoFSnkxBVg or something like that.
Paste that mush of numbers in the "YouTuber Username" box and click the Save Changes button at the bottom. Now everyone can go to your magical channel and see what you made!