In order to change the download links in Plantasia web, you need to edit the URL in the following two lines of the .html:

<embed src="plantasia-web.swf?portal=AOL&downloadURL=http://www.ENTERCUSTOMURLHERE"

 
<param name="movie" value="plantasia-web.swf?ortal=AOL&downloadURL=http://www.ENTERCUSTOMURLHERE"