OilpaintZ loras are designed to add an oil painted style to generations. They are not designed to be used too strongly between 0.25 and 0.65. They are intended to be mixed but if you have two then 0.35 or 0.45 will work with three arouund 0.35 works better.
Version 6 is about abstract shapes and colors, it will add contrast and color. It will also tend towards dramatic composition and lighting. See examples for effects.