hammybee,

found 3 solid-sounding recipes for you.
Note: I have NEVER made this drink coz I only drink strong black coffee. Hope oen of these saves you some bucks.

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the basic recipe
seems to be something like this:
Ice
Espresso (or coffee flavored syrup)
Milk
Chocolate flavored syrup
Cinnamon flavored syrup
commercial blender

Similar concoctions can be whipped up easily at home with some ice cream instead of the milk and ice.

In some market areas you can find Starbies products in supermarkets. The Frap line seems to come in bottles.
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Use the recipe above recipe (and substitute the caramel syrup for others, such as almond and coconut, or raspberry, or vanilla, or a liquer, such as Bailey's and/or Kahlua), but you need a high-quality blender to "frappe" the ice cubes (don't start with crushed, their actually harder
to frappe in a blender). Blend at a medium speed with the ice cream recipe, and use coffee, chocolate or vanilla. Use about 1.5 ounces of
Hershey's syrup per serving, total 1 ounce of syrup flavorings (try Monin or DaVinci, they are easiest to find at a local coffeehouse,
though we use Senza Rivale), or similar amounts of liquers, to taste.
Note, though, that the espresso is important, make it right, and you'll have a much better drink than Starbuck's Frappucino!
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If there's an Arby's near you, try the Jamocha shake.

If you want a different kind of buzz, but same taste try...
Equal parts brandy, Kaluha and cream.
Mix with ice in a blender.
For thicker shake, use ice cream instead of cream.