<map lat="51.485" lon="-0.15" z="11" w="300" h="200"|format="jpeg" />

(... for view of London.)

So inside a map tag, you specify parameters 'lat', 'long', 'z' (zoom level), 'w' (width in pixels), 'h' (height in pixels), and 'format'.

Haiti

<map lat="19" lon="-73" z="7" w="600" h="300"|format="jpeg" />

lat="19" lon="-73" z="7" w="600" h="300"

Port-au-Prince Bay area

<map lat="18.8" lon="-72.9" z="9" w="600" h="300"|format="jpeg" />

lat="18.8" lon="-72.9" z="9" w="600" h="300"

<map lat="18.45" lon="-72.3" z="9" w="600" h="300"|format="jpeg" />

lat="18.45" lon="-72.3" z="9" w="600" h="300"

<map lat="18.238" lon="-72.511" z="13" w="600" h="300"|format="jpeg" />

lat="18.238" lon="-72.511" z="13" w="600" h="300"

<map lat="18.509" lon="-72.613" z="13" w="600" h="300"|format="jpeg" />

lat="18.509" lon="-72.613" z="13" w="600" h="300"

<map lat="18.572" lon="-72.3" z="11" w="750" h="300"|format="jpeg" />

lat="18.572c" lon="-72.3" z="11" w="750" h="300"