changes made to my wordpress site

I have a wordpress website with the theme [login to view URL] from theme forest. The company I hired is not able to make the following changes to my website because they say the plugins are not working properly. I need someone to fix my website the way I need. 1. I need 2 youtube videos added. 2. I need information added to the sidebars on the home page. 3. I need some special features of the theme incorporated, pictures enlarging when you mouse over them, content appearing when you scroll down, etc. 4. content at top right corner of page centered. 5. words in red on home page centered. And miscellaneous things changed. I need the work done immediately. My web address is [login to view URL]