first of all you've got a laptop, I'm guessing a 15.6" screen and an Intel intergrated graphics chip or something like that.
you are not going to be able to take screen shots like the guys with great desktop computers.
I dont have any experience however in the intel graphics department just because you only find hem in budget laptops/desktops.
I'd say get an nVidia of ATI graphics card but seeing as you are using a laptop that might be more trouble than it's worth
also, a lot of the people out here use photoshop to enhance their shots further.
can't get a Volvo and drive it like a Ferrari.