Help on a few issues

I have a site I am building with a temporary domain of https://www.karengines.info. We will be changing it to .com soon, so you may need to look up https://www.karengines.com (if it is not a WP site, it has not yet changed).

I am using the Contrast Theme. with WordPress 4.1.1.

I have a support ticket out with the developer on a couple of the issues but haven’t heard back yet. (it hasn’t been that long, it is just that I am needing help soon), plus I posted in Envato’s support forum but that forum does not seem very active. I thought I would come here too.

Here are my issues.

1. I made a revolution slider with a single slide to be a header. That shows up fine on the pages but I can’t figure out how to make it show up on Post entries… individual posts, archives, category pages, etc.

2. I cannot figure out how to make the sidebar show up all the time, so there is an easy link to individual blog posts, categories, archives, etc. Right now it is in the collapsable side menu on the left. I would like it showing constantly. I had my pages centered, then changed them to align to the left, hoping the sidebar would show up on the right side, no go. I tried starting a new sidebar but beyond creating it, cant figure out what to do next. I only see a revolution slider option. I want widgets.

3. I am getting an error on all pages, spinny wheel and when I inspect element it comes up as a fancybox error. I believe this fancybox originally came with the theme. I tried installing it from WordPress’s plugin area, thinking maybe it was outdated, but that didn’t change anything. I then deactivated the plugin I installed. Still no change. I am not sure if it is something I did or if the error is coming along with the theme.

4. When I resize the windows it is smooth until it gets to a certain point, which then snaps to a different size, then snaps back and becomes smooth again. This one is baffling, I have looked everywhere on why that is happening.

Sorry for so many issues, but WordPress is new to me.