It's been just over a year since I last shared photos of my room [see here]. Since then things have changed a lot. I changed my bed to a loft bed so I could get more storage, so the room looks a little more cramped and less airy but there is a lot more space. Tomorrow I'll share some detail shots since I took too many pictures.
To maximize the space in my tiny (barely 9x8ft) room I use a lot of storage units. My bed is lofted with shelving and, rather than making the second bed that came with the set (to go underneath), I put my shoe bookshelf and cute cabinet I scored at Marshalls to get even more space. Then I have my other large shelving unit (IKEA), small green dresser (from Home Goods) and larger dresser - it's actually a baby changing table, the top folds down, but I use it as two shelves to get more surface area.
We also took the doors off my closet and use a curtain as a separator to avoid needing to open doors, which take up a lot of room. It's all about using every bit of floor and wall space when you have a small room. If I had the money/wasn't lazy I would install a pocket door so I don't have to worry about swing room for the door.