A simple static google maps img using compojure (ring/jetty for server) and hiccup (for html generation).

gmaps-test.clj

(ns gmaps-test.handler
  (:use compojure.core)
  (:require [compojure.handler :as handler]
            [compojure.route :as route]
            [hiccup.core :as h]))

(defn index-page []
  (h/html [:img {:src "http://maps.googleapis.com/maps/api/staticmap?center=Brooklyn+Bridge,New+York,NY&zoom=13&size=600x300&maptype=roadmap&markers=color:blue%7Clabel:S%7C40.702147,-74.015794&markers=color:green%7Clabel:G%7C40.711614,-74.012318&markers=color:red%7Ccolor:red%7Clabel:C%7C40.718217,-73.998284&sensor=false"}]
  ))

(defroutes app-routes
  (GET "/" [] (index-page))
  (route/resources "/")
  (route/not-found "Not Found"))

(def app
  (handler/site app-routes))