Inmagine

http://www.inmagine.com/

Inmagine is an online stock photography gallery featuring more than ten million royalty free images from over 100 best-selling collections. The site organizes the images into categories and offers groups of images available as bundles.

Inmagine offers stock images ranging from 337 x 518 pixels and 1.12 x 1.72 inches up to 8072 x 12389 pixels and 26.91 x 41.3 inches as JPEG and TIFF files. The files can be downloaded, emailed, or burned onto a CD and delivered via regular mail. Inmagine enables users to save images for later purchase on digital lightboxes and also features groups worldwide to provide 24/7 support.

FreeByte

http://freebyte.com/clipart_images_photos_icons/

FreeByte labels itself as a "guide to the Web", and that is because the website is basically a directory of free software, resources and tools belonging to many different categories: newspapers, business, images, videos, widgets, etc.

FreeBytes has also an extensive section specifically related to free images, vectors, cliparts, backgrounds, wallpapers and more where you can find a curated list of websites to satisfy your needs.

If you know of other great resources that may fit inside the categories FreeBytes deals with, you can also submit your sources for approval and possible inclusion inside the directory.

Acobox

http://acobox.com/

Acobox is an online resource where you can find free images for websites without spending a dime. Registration is not required.

All images are available in only one size and medium quality and they are hosted on Acobox servers. This means that you don't have to download the free images and then upload them to your own server.

Instead, Acobox provides you with a readily-available embed code that you can customize and paste to your website code, thus without wasting your bandwidth. All embed codes already contain a credit to the original author with a link back.

Clipart.com

http://www.clipart.com/

Clipart.com is a stock photography website where you can find royalty-free images, clipart, photos, illustrations, fonts, sounds and web graphics provides creative professionals.

All images are available in only one size and medium quality in the following file formats: EPS, JPG, GIF, PNG, and other popular image file formats. Registration is mandatory to purchase and download the stock photos.

Subscription plans start from $14.95/week, and discounts are available. By subscribing to Clipart.com you are entitled to download all the stock images you need on the site for the time span you have purchased.

PhotoStockPlus

http://www.photostockplus.com/

PhotoStockPlus is a stock photography network where clients can purchase royalty free stock photos and photographers can sell their stock photos. The service has a large variety of stock images belonging to different categories. Prices range from $1 to $150 per image.

All images are available in JPEG format, high-definition quality and all stock images are contributed only by professional photographers. If you have a specific need for an image that you are not able to find on PhotoStockPlus, you can request a photographer to shoot and prepare exactly the picture you need.