I need some Help with pics

[Mike's LawnCare Landscape]

There is a small job . That there is a slight slop bank but the mulch keeps washing down the slope .
Its a simple fix But I'm trying to tell Place How its would be fixed and how it would look but they go :confused::confused::confused:
I looked up landscaping hill/slope for pics but 3 hrs later still can not find what I'm Thinking. So Here I am *trucewhiteflag*

Pic this
Pavement at top slight slope to the bank 5' of grass that's flat at top.
Bank/slope is around 15' from top to bottom and 40 to 50 ft wide.

I need some kinda pics with a few good size Rocks and Mulch.
Stuff to keep the mulch from running down the hill . Thanks guys
Now I wish I took My camera

[White Gardens]

If you want to take a couple of pics of the site, that would be better.

If your having problems with mulch, it could be the type of mulch. Good twice shredded hardwood will hold it place.