If all you have is the .swf, you can try googling for swf decompiler to access the source Flash. Limited success.
There are two basic types of "slide shows" in Flash:
- Embedded images: The images are "imported" directly into the source .fla and exported as an .swf. This is not the greatest approach, as the entire thing, including all the images, has to load before it can play. It will be the size of the flash plus as many images as you've imported into it, which can be quite large and slow to load. Additionally, any time you want to add or remove images, you have to recompile and re-upload the entire .swf.
If this is the "type" of slide show you have, you need to either access the original .fla or try decompiling it as above.
- External images: this is how a slide show SHOULD be created. Basically you have the .swf and an accompanying XML file. When the swf loads, it reads in the XML file, which contains the file names of the slide show images and other data such as image captions, etc.
After the XML file is loaded into the swf, it gets the images externally as needed. The advantage here is the initial .swf loads quickly because it doesn't "contain" images. It then loads the images on demand, allowing it to play in a streaming fashion.
The second advantage is once it's created, all you need to do is upload images and edit the XML file to change your slide show.
Don't know which one you have, but I've programmed several using the second method.
