Fuente
http://5l.ucoz.ru/board/animacionnye_kartinki/animacija_
El código para instalar flash como fondo (antes de texto, dentro de texto... según su gusto) con tamaño y posición:
<p align="center"><embed style="position: absolute; width: 260px; height: 260px; left: 250px;" type="application/x-shockwave-flash" width="200" height="240" src="http://www.msieflash.com/xx/27/we119.swf" wmode="transparent" allowscriptaccess="never" /></p>
/https%3A%2F%2Flh3.googleusercontent.com%2F-drj07eUI7IQ%2FWfshPpdTtLI%2FAAAAAAADOm4%2FTd99GxjOCOENdzzPzZLDN5FnnBj4D7NSgCJoC%2Fw320-h240-rw%2F17.gif)
/https%3A%2F%2Flh3.googleusercontent.com%2F-6eSJcfFteoM%2FWfsidlbFYVI%2FAAAAAAADOrE%2Fj2oNYgt8VzE4jsWh8vwdiBuDNlFKZlGMwCJoC%2Fw292-h468-rw%2F20a.gif)
/https%3A%2F%2Flh3.googleusercontent.com%2F-Z71wS6lOmNE%2FWfyAV46cGSI%2FAAAAAAADOxM%2FzuCej6ophBAa0HTDh4C7GzB-lh0h0fYTQCJoC%2Fw356-h555-rw%2F2.gif)
/https%3A%2F%2Flh3.googleusercontent.com%2F-GgWdAE3rGjI%2FWfyQTJujPRI%2FAAAAAAADO0w%2FJPSejYaMeFcu9oHRK1G1NLPYVRp9w30eACJoC%2Fw360-h540-rw%2F1.gif)