First of all put some soapy water down where the decal will go, it makes it easier to move around. When it is in the exact position you want use a wide soft brush do brush it down and get rid of bubbles. Then press the decal down with a hot damp cloth, it will conform and lay down instantly without the wrinkles you get from solvents. A hair dryer on a low setting will help also but keep it moving around.