You don't have to understand HTML to be able to use it. Example code for image

Many beginning bloggers have problems with the uploading of images in Blogger. This is because Blogger always upload the image to the top of the post irrespective of where the position of the mouse cursor is. Now if you use the COMPOSE mode, you will have to use the clumsy process of drag and drop to get the image to where you want it to be. I find this very cumbersome especially if you have to