Thread:Project:Support desk/Need help with selecting extensions

Hey everyone I'm setting up a local mediawiki side and I need some recommendation about extensions, I'm hoping there is a clever soul out there that could assist me :). This wiki side will be focused on troubleshooting and will have a lot articles with pictures in it. What features I would like to see are: I have looked around and found few possible contenders to select from but I would like to see what you guys could recommend. If there are other extensions that you also recommend I would love to hear about them. Any assistance is greatly appreciated
 * Being able to adjust the sidebar to the left.
 * Have a CategoryTree so it is easy to navigate between articles.
 * Be able to select different tabs on each selected topic after selecting them from the sidebar, the tabs would be on the top similar to a browser.
 * Better search engine
 * Better way to add pictures into wiki, preferably drag and drop.
 * Simpler way to create a new wiki link with pictures and some basic modifications (such as making a header and make a text bold). This is to allow more people to add in articles without much complications.