Look no further!
I have been doing my own since I was 14. There is a whole world to it!
Some general problems:
Hair underneath and possibly between the brows.
You can pluck, or wax, either is fine. Remember that at first the hair will grow back more, but for me, maybe because I have been doing it so long it does not grow back as much. I find that a really good set of tweezers or Sally Hanson's wax kit for face and bikini area (wax strips) do the job great.
As far as the shape of them, it is really up to you. Don't pluck above the natural form of the brow, unless you have to, this will ruin the natural curve of them and make you look like a drag queen. Don't pluck too much. Same effect will happen.
As far as the shape underneath, start inside and work out. I always start my eyebrow to line up with the inner corner of my eye, and then progress the natural shape outward, making adjustments as I want. As far as the outer side of the eyebrow, it should extend past the outer corner of the eye, if it lines up it just looks silly.
About 3/4 of the way from inside to out, you should imagine where your arch will be, I just pluck a little bit more, one hair at a time (you will see why if you ever mess it up) until the desired acrh is there. Don't over do it or you will look like you are again, a drag queen.
I do use baby scissors or even cuticle scissiors for the longer hairs. I take an old toothbrush (my old trusty in this whole process) and brush the hair straight up, then trim a little off the top, if you over do it, it will look stubbily, and that sucks.
I always clean the area with a cleanser after I am done, and to keep my strays in place I use an eyebrow gel or if I am out, my old toothbrush and some fragrance free hairspray.
If you are still unsure, you can always pay about 15 bucks to get them waxed to get the shape you want then try to maintain at home until you feel more comfortable!