The icons you have mentioned are at the bottom left of every post already made, whereas Blue was trying to draw your attention to icons above the text box while you are composing your post. On the far right, is the quote wrap icon. Hover your mouse over any icon and a description appears. Beside the quote wrap, is the video link. If you click that icon, an app opens that allows you to enter the url from youtube of the video you want to display here. The next one across (moving from the far right, we are now at the third icon moving left) is the insert image icon. It gives two options: select files from your computer, or use a url from something already hosted online. Make sure to click OFF Retrieve remote file and reference locally ... the smiley faces are three more icons over 
