According to code stability status checks, this particular module needs more work, the doc is extremely concise and reflects nothing, ..

Not really sure if '%swf = ('file' => new Fl ('Myflash.swf'), 'url' => $url);' is syntactically correct, because when white spaces are there in a hash key value that is when commas are required to enclose these values within a single unit...

Consider Data::Dumper to view your hash and make sure it looks like what you expect....