Image Padding in Posts

I’ve experienced frustrations when inserting images and other media into my posts. There needs to be a way that the padding for these items can easily be changed. Right now, I have to go into the code and manually insert padding tags in order to make my images display properly when wrapped by text. Plus, the top line of text will not align perfectly with the top of an image if it is top left justified. These are simple effects that should be default standards in WordPress.