JPEGs from your GIFs
There are basically two ways of saving images, lossy or lossless
JPEG - The most common image formats. It's primarily used for
photographs. It is a lossy type of format, but most people can't really
see the difference. You can adjust the amount of compression when saving
a jpeg image, so you do have some control over the final output quality.
JPEGs are extremely popular since they compress into a small file size
and retain excellent image quality.
Keep in mind that the more you compress a JPEG, the more "pixely"
it will tend to look. For the best results, save your JPEGs at the
"medium" or "High" setting (your imaging software
should bring up this option when you go to save as a JPEG). I really
can't see any image degradation in most pictures saved at the medium
GIF - Another popular format, especially on the web. It's a
lossless format that's ideal for graphics. GIFs can be either static or
animated. If you've ever seen a graphic on a web page that was animated,
you've seen one of these animated gifs..
Most of the time GIFs are used for non-photographic type images.
Buttons, borders, stuff like that.
BMP- This is the standard Windows image format. It's lossless and
works well for pictures or graphics. It's an uncompressed file format,
so it takes up lots of disk space. It's also the standard format for
TIFF- Most peoples Favorate. It's a lossless format that can use
file compression (called LZW compression). It won't result in as small a
file as a jpeg (which is why it's not used on the web), but you do
retain all image quality. When compressed, the file is usually about
half the size of the original file.
You can save photos in this format. And then convert them to other
formats for screen savers, wallpaper, or web images