Macromedia Flash MX (trial download)
You can download the Macromedia Flash MX trial version.
http://www.macromedia.com/software/trial_download/

How to change the background color of the logo

Open the file you downloaded on your desktop (On the File menu, click Open). Double-click the red box area shown above.

In the Movie Properties, change the background color in the Background Color box. You can change the background color by clicking the “▼” button.

How to change the font style

The font style of “Your logo here” is a basic font, “Arial”. And you can change it to whatever you like. To change the text color, select the text, “Your logo here” first. You will see the sky blue box appeared. On the window menu, go to Panels and select Character.
In the Character panel (shown above), you can change the size and color of the text by clicking the “▼” button.

How to make the .swf file

Save the file. And then, on the Control menu, click Test Movie.
The .swf file will be automatically created. (CTRL + Enter)