Google is your friend! http://mcbuzz.wordpress.com/2007/11...nd-wrap-text-around-an-image-using-wordpress/
simply like dp quick reply editor(tiny mce)you click on the (insert image) icon in editor or simply browse thee image and insert into the post.
You can use below given code for that. <div style="float:left; padding:0 10px 10px 0;"><img src="image url" alt="" width="200" height="150" /></div> Code (markup): DON.