Images wanted for catalogue for online shopping site

We have just launched a shopping site and we need some default images to represent the category. e.g for mobile phone category an image of iphone or samsung phone or anyphone will be a good representation. For computer and accessories. An image of Laptop or desktop or a combination will be okay. We have almost 230 subcategories to fill so we need someone to get those images for us while we go about doing something else. Each image must come in 193px x 183px, gif, jpg or png. All images must be zip and return to us in zip file. Each image name must correspond to the sub category. e.g [login to view URL] for computer accessories. We would give the list of subcategories to the right person we choose. The budget is about 0.10p per image. and we need them as soon as possible.