Some Flash Components...

• FlashComponents.net - You can buy a wide variety of Flash components here with source. Some has license where you can use the component on unlimited websites.
• FlashKit.com - A general Flash developer resource
• Flash Banner - creates Flash banners (includes templates)
• MCTween - popular code that tween your objects without having to lay them out on your timeline
• FlashDen.net - where you can buy and sell your Flash components
• Flabell.com - has some free components and its first commercial product is a handy Compact Flash MP3 Player. It also has an XML banner rotator.
• Inovartis.com - Flash videos
• CartoonSolutions.com
• Vertical XML driven menu - menu is constructed based on your XML file. Includes hover states and clicks actions.
• FLV player - has play, pause, volume and scrub control, and full-screen mode. Can set auto-play or not. Includes settable preview image.
• Vertical Text Scroller - can be set to loop or not loop. Can adjust speed. And can have click destinations. Driven from XML file. Can include HTML in the text.
• Banner Rotator by SnowCat - Over 70 customizations. XML Driven.
• Simple Fade In and Out Slideshow - if you just need a simple fade-in and out transition between slides, this one is easy to use. XML driven.
• Banner Rotator Slideshow - can include SWF. Adjustable timer. Driven from XML file. Includes fade-in captions and link destination with link target.
• FoldR Flash XML driven Flip Book -- can have internal linked table of content, external links, swf content, and lightbox views (might require a bit of Flash work)