Heavily newspaper your garden beds before you put down mulch. Weeds cannot grow through the newspaper, and the decomposing paper feeds your soil. Best gardening tip I ever got! Especially if you then put landscape fabric on top of the newspaper.
How to Make Tree Stump Planters. (I like using tree stumps still affixed to the ground by roots after a tree is cut down, with the center scooped/carved out -- it looks a lot prettier and much more natural)