Contact us for prices. File size is important when publishing graphics on the net. It's easy to create beautiful graphics with the right software and a scanner, but it's a real talent to reduce those graphics to a size we surfers are willing to wait for. A general rule used by webmasters is a 20k maximum size for graphics with a 100k maximum for the entire document. Icons should be as small as possible.
Logos are tricky.
You want a logo to be crisp and clean, but if it doesn't load quickly, many will never see it. Animations can add spice to your site. The easiest way is to acquire animations is to find some on the net and save them to your hard drive. Beware of that copyright stuff. Here's a site that encourages downloads.