Webmasterkit.info

ToobPlayer is a very, very, tiny (18kb) and free, flash player. There is also a great video tutorial to help get you started.
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This site offers downloadable flash elements (loaders, calendars, video players, etc) They also sell Video, Fonts and Audio files
 
I should note that this is a rare post linking to a non-free resource, but they are quite affordable.
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Andrew Berg has created a nice small Flash Photo browser. Click on an image and it flips it to the back of the stack, much like one would when looking through a stack of photos in your hands. Replace the images with your own images (keeping the same name) to implement.
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Simple Viewer is a tiny and free modifiable flash gallery viewer. Perhaps it’s greatest strength is that it is only 17k in size!
Features (from the site)

Intelligent image pre-loading.
Intuitive image navigation
Lightweight (17k).
Customizable interface - Set text color, frame color and width,navigation position.
Resizable interface - Interface scales to fit browser window.
Cross platform - Windows/Macintosh/Linux (requires Flash […]

This free Flash script allows you to zoom in on an image and pan around it. It has a very intuitive interface that let’s you zoom in via scroll wheel, clicking, or Photoshop style slider. It also includes a navigator window to select the portion of the image to view. There is a free […]

If you need a customized, animated ‘loading’ icon this site is for you. Pick from one of the dozens of styles then customize the size and colours.
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A well known problem for sites that use Flash is that they have a lot of trouble getting well indexed in search engines. Imagine if all the text on your website was a single Jpeg image; Google would not recognize or be able to index the words in that image, that’s essentially the same problem […]