Answer 1

1. create slideshow you want or just download any slide you like it from google
2. every slider should contain html, css,javascript or jquery and photos.
3. but all the html code in the place that you want the slider to appear on your blog.
4. but all the css code in one file and upload it to any cloud storage.
5. link the css file in the head tag of html page with the you get of cloud storage.
6. upload all the images into the cloud storage.
7. link all your images in the html page with there link of cloud storage.
Done