If there are muddy patches and paths in, through and around the garden, why not tryout this great idea to make your own beautiful array of many mini stepping stones. All you need is a stepping-stone mold, mortar cement and black dye.
Succulent tree trunk - instructions are not in English but the idea is pretty basic. Tree trunk + removal of some wood + soil, water & succulents = awesomeness in your garden! You could even hang this from a patio at eye height.