Personalization adventurous

Hello, Can I put an image on the top of the home page and the menu on like this blog and ? : http://oiseaurose.com/ And in this case reduce the height of the carroussel to put it just Under ? Can I have a part with text/images, and not only a list of the articles like this blog ? : http://oiseaurose.com/ Can I put a grid of pictures from Instagram down to the page, horizontally ? Can I add a sidebar ? If yes do you have example to show how it can be ? Can I have the sidebar at the beginning of the home page and then, at the end, be full-width without the sidebar ? Can I change the background ? Can I change the color of the menu and frame ? Can I post videos ? Can I add the gallery ? What plug-in are compatibles with this theme ? Is the dummy content included ? For the paying formule (adventurous pro), how long time last the support ? Thanks a lot for your fast answer !