the easiest way is to user "print screen" on your keyboard and paste the image into an image editing tool. cut the borders and there you go.
if you want the source files stored in the .swf file you can do the following.
1- right click the page on your browser and find (f3) .swf
2- copy the link for the .swf file and download it using your favorite downloading tool.
3- use a flash decompiler application to extract all media stored in the .swf flash file. that will extract all images stored within the file neatly.
you can find one on the below link