yeah, the top banner really stands out in the wrong way. Also the oval is uninspired way to take up a lot of space, it adds nothing to the design. It is as if you said, look at all this extra space I have, lets see what tools I have in photoshop, here is circle tool. Now I have oval. Also, if you are looking for ideas to expand on it, I would do so something about the outside gray, it is very plain and doesn't match the detailing found on the inside. Maybe you could use a gradient, or a trendy pattern, another option wold be to add a shadow or some combination of the three.
You spelled coming wrong as well, I don't know if this was intentional or not.
edit: anyway I am assuming this is going to be a homepage of a website, if it is going to be a blog then your work is easier because you can just expand the text in the center to the width of the entire thing. If not you need to establish what kind of content elements you will be showcasing on the homepage. This is something I used to do, I would design arbitrary layout without any consideration of what else will be going on the homepage in addition to some generic blog. Most of the time you get something plain and have trouble afterward fitting together the other pieces. I suggest you create a little overlay in photoshop of the different sections. Do not pick arbitrary sizes, try to first use some ratio, then things can be adjusted later on as you fine tune the layout. So things like that blue bar on the bottom, or the oval, can be modified for sections that can contain addition content/information. Once you have this structure you then need to add embellishments to the layout, they add a lot of class and really give you a professional design. Embellishments break up the wall of single color color that you normally get on your first rough draft. Embellishments are graphics but they can also be images with contrasting color. To get an idea of what they are, go to something like cnn:
http://edition.cnn.com/ On the menu, look at the little icons next to the menu items on the top left. Look at how the search button is an image and not default form element, notice how the little icons appear next to the stories that contain the relevant data. You don't have to use images though, try to pick colors that stick out (but still match the layout). Just keep in mind you want to break up the wall of text. Also I am not a professional, I made up the term embellishments and I use the concept to help me, these are not web design rules, dada could probably give you better tips.