No worries. Everyone always misses something
that seems obvious after the fact. Took me nigh on a year to notice there was a search bar at the bottom
of the page that let me sort by Score/upload date/comments/width/etc.
As for Galleries:
-Go to one of the images you want to be in the gallery.
-Right above the image, to the right of the list of upvotes, downvotes, comments. Are some other buttons. “subscribe/unsubscribe. Galleries. Related. View.” and so forth.
-Mouse over “Galleries” and a dropdown should appear.
-Click “Create new gallery”
-Set the info. Gallery title, description, warning tags [NSFW, Grotesque, Memes, what have you] And the image number for the gallery thumbnail. By default it’s the image you clicked “create a gallery” on. But you can always change that whenever you want.
-Click “save gallery”.
To add more images to the gallery:
-Go to image you want to add.
-Mouse over the “galleries” button again.
-You should see the name of the gallery you created.
-Click it. It should now be highlighted green. That means the image is now in the gallery.
-You can click it again to remove the image from the gallery.
Let me know if you have more questions.