If another program is trying to open it up and you want IE to open it up, you have to manually tell IE to open *.swf files by opening Windows Explorer and going to Tools->Folder Options->File Types, ...
• The content of these files are slide shows: travel photos set to music. • For example, the oldest file as 44 pictures, and takes 3 minutes to play - which equals one picture displayed every 2.44 ...