Hey TinyLX, I went over your link shortner site and this is what I think really..
I'll start from the top left side, the drag me link sticks too much to the edge of the screen and looks like it's missplaced, I'd move it a bit to the right and down a bit so it will be easy to read and understand what is that.
The menu api tools blog.. should be moved a bit to the right so it will be after the round edge.
The logo flx url shortener well if it's in text make it in text, why use a huge .png image as background.
I'd make the enter URL here a bit bigger.
The shorten button, if you did the whole .png box so big, I'd make the shorten button bigger and put it in the middle.
Hope I helped in anyway.