Banner

I have to make a banner for my site, i found the website where you can find royalty free pictures, since my site is for women, i am trying to find a picture of a woman with a child. Do you think it's ok. I have never done banner before, can i trust these kinds of sites. Banner sizes are 190 *60, 150 *70

Never mind, i had to ask someone make a banner for me, so it's done.