Condensing slide shows

So, now that I've figured out how to create a slide show and add effects and add music, captions, and upload it to the blog, I decided I needed to combine the cards on the slide show. So far I'm at 25 slides. I may end up making separate slide shows. I don't know. One thing I need to figure out is how to size it correctly to be situated at the side bar. So far, it's too big. I may need to reconfigure my template. Ugh. This is when I wish I were more tech-y and understood what I was doing in order to get what I want. C'est la vie...until then I'll keep playing.