nice start, but to me it's a little too uniform. for a more natural look, try leaning some or even laying a branch on it's side. you might also mix some thicker branches. took me quit a while before I was happy with my setup.
you would be surprised at what they can get thru. nature made them skinny for that very reason. my wilds will lay flat to go under a branch when it could just go over it. they love playing in it. it's something that the bare tank owners never see.