http://www.dvdvideosoft.com/download...hConverter.exe

This is the clearly free program. There are no spyware or adware. It's absolutely safe to install and to run!
Step 2. Launch Free Video to Flash Converter

Follow Start > All Programs > DVDVideoSoft > Free Video to Flash Converter or just click the program icon on the desktop.

The interface is very simple and self explaining. There are the field for an input file, the field for an output path, and lists with preconfigured profiles.
Step 3. Select input video file

Click the upper Browse... button to select an input video file from your computer.
Step 4. Select the Output Location

Click the bottom Browse button on the right. Choose the location where you would like to save your converted video file. Click Save.
Step 5. Select the Output Format Profile

In the list of Formats select FLV or SWF.

In the list of Profiles select one of the available pre-configured profiles.
Step 6. Trim Video

Click the Trim video... button along the bottom of the interface to open the new window.

Use navigation line and special buttons to set start and end selection markers position.

Click Apply & Close to switch back to the main program window.
Step 7. Select Player

Click the Player... button to open the new window.

Select the player style.

Click OK to switch back to the main program window.
Step 8. Convert Video

Click the Convert button along the bottom of the interface and wait video to be converted.
Step 9. Playback converted file

Open a folder with output files and run HTM file.
Step 10. Place flash video to your site

Copy the code from the sample html page to your web page. Upload player.swf and YouVideo.flv files to the same folder as this file.

Now you have a flash video on your site. Like this one..