If you're not a professional photographer, chances are the pictures you've taken for your website require some editing. Aside from putting a lot of thought into the website design and the written content, the choice of pictures and graphics also has to be planned too.
I've attended amateur classes on photography, along with my web design classes, and I learned that often, it is not the content that's the issue. There are so many various things that can go wrong. Most of the time, it's the lighting. I noticed a few times that it was my finger covering part of the flash that's the problem. It could be the angle, the lens that I'm using, or it could just be my own lack of expertise. Whatever it is, there are ways to fix the flaws.
Many website designers are also photographers. That is not a coincidence; the skills required in these two seemingly different expressions of art actually mesh more than you think. With the use of tools like Photoshop, an average photograph can turn into an awesome shot. If you don't want to take the time to learn photo-editing skills, you can acquire the services of a web site design professional at a very affordable cost.
Luck can play a huge part in taking great pictures. Take as many shots and from as many angles as possible. There's bound to be at least one jaw-dropping shot there somewhere. Keep the shot simple. You can't have too many things grabbing the attention of the viewers at once. Another way of increasing your chances of getting a good shot is to setting up the items being photographed in a creative way. I have to work on keeping my focus. Even when you have all these tips in mind, there's no guarantee of a perfect shot. That's why I rely on retouching.
For a good designer who can help with your picture requirments, try searching website design Australia, web design Australia, or website design Sydney (or wherever you are)- you'll come up with many listings, but this is a good start.