True, I find the same
The blurry parts are to suddenly switching over to really sharp.
It gives the sig some weird look,
Look at the big black splash at the left of the monk, It's really sharp.
and then all of a sudden, a bit more to the left, it's blurred up to hell.
try and decrease that.
And text is easy.
Get a nice font.
Past it on, Not to big and do not make it the attention taker.
Make it really soft, and go play around with the effects of the text, Like outer glow, and "fill" and stuff