For gorgeous containers, use the Thriller/Spiller/Filler method. Choose a taller plant as your thriller, a filler to add around the base and a trailing plant to spill or cascade down the sides. More container garden tips @ themicrogardener.
~Garden statue~ I'm gonna admit that this is kinda creepy.but I think if it actually turned out that it would be sorta pretty. (Cut the back half of the doll's head off and fill the front piece with cement for a sculptured doll head for your garden.
a lantana tree: plant a small plant in spring, into a larger container, begin shaping the tree as soon as new growth begins and attach the stem (sometimes multiple stems) to a support like a bamboo stake, then begin trimming away any new side shoots.