dont start a new thread if u dont have to, you see where it says data="yourflash.swf" that is where you put the location of your flash file and you also put it in the movie value= like i said assuming you have the flash files, but if you are wanting to learn flash you are moving way to fast seeing as you are a beginning, you may want to check out this site http://www.w3schools.com and learn the basics, does your free host help page tell you how to upload files?
You upload an image file the same way you upload your html files. If you have a free host chances are there is some built in "file manager" where you transfer files from your computer to the website.
Once you move on from a free host you can start looking at things like FTP programs. But for now, if you want us to help you, give us as much information as you can, such as:
Have you uploaded your own web pages yet?
Is your site online? If so, what's the link?
Who is your free host?
Is it just one or two images you are having trouble with?
Etc. Hope this helps,
Edit: I'm an idiot... I completely missed the link you gave. Looks like you are starting from the beginning! The link to upload your photos is there on your homepage, just under "Build Your Website Now." For learning how to do just that, check out the link Aero gave you, or this one, which seems to be pretty newbie-friendly: