For those of you who have kids and you have low-hanging windows that serves no purpose, you can refer to this cool home improvement DIY on how to make window seats for your windows.
I found some canvas baskets to fit the cubbies and added a little ribbon to them. (I looked pretty much everywhere to find the right size basket for a decent price!) I bought two big sheets of foam at the craft store to make seat pads, and Jeff helped me cut them to fit.