First you need your own ALBUM
To make your own Gallery Album, head to your UCP (click on your own name top right)
from there find GALLERY TAB (next to Friends & Foes)
Click on Gallery, you will see
from here create your own Album, you can then upload your first image!You don’t have a personal album yet. Here you can create your personal album, with some subalbums.
In personal albums only the owner can upload images.