Preparing images for the web

Not sure if this is necessarily the best forum to ask, but wonder if anyone could advice.

Basically, I worked on a site for a guy that imports carpets from China. I suspect that the problem is that the images it is supplies me with no shot the best angle - it took with the carpet hung on a wall, so that they are straight.

I used GD to redesign the original images in inches, which works fairly well, but it's pretty clear that the thumb images are not as good as I've seen on other sites.

For example, this is an example of the location and the images that I've been working on / with:

example of

And this is an example of which are clearer, more directly on the images:

example 2

Advice on what I can do to prepare the images a little better would be greatly appreciated.

See you soon,.
Iain

Bravo for the answers.

I probably should have said more about GD, like it's a PHP thing really.

It turns out that I was using imageresized() in function, when there is another function imageresampled() which is a little more to keep the quality - and that seems to have smoothed a bit on another project, I work here - so hopefully that will improve the cover pictures a little too.

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