sorry.
normally, if you just place an image somewhere, it will be placed automatically by the browser somewhere. an image is an HTML tag thats known as being an "inline" tag, which means that the browser doesn't automatically put it on a new line of text to accomodate it.
if you want it on a new line, you could set it like so:
< img src="" style="display: block">
this is some CSS, that will set the image to become a block-level element, instead of an inline element. this means that it'll get put on a new line if it's, say, within a paragraph of text.
for positioning precisely, you do it with CSS too:
http://www.w3schools.com/css/css_positioning.asp
so you could write:
< img src="" style="float: right">
to make it float to the right
or
< img src="" style="position:absolute;top:0px;left:0px">
that'll make it appear at the top left of the screen. the absolute position means to take it out of the normal page order. if you want it like normal, you can set the position to relative, etc.
Basically, you can acheive image location by using CSS. see the above link [w3schools] for some decent tutorials :)