This is a picture of a Elliptical Galaxy. Thanks to http://antwrp.gsfc.nasa.gov/apod/image/m87_aat.gif for this picture.
 

Here is another picture of an Elliptical Galaxy. Thanks to http://www.seds.org/messier/m/m003.html for this picture.

Here is a picture of 3 Spiral Galaxies . Thanks to http://antwrp.gsfc.nasa.gov/apod/ap951115.html for this picture.

This is another picture of an  Spiral Galaxy. Thanks to http://antwrp.gsfc.nasa.gov/apod/ap950627.html for  this Ultraviolet picture.
 

The is a picture of an Irregular Galaxy. Thaks to http://antwrp.gsfc.nasa.gov/apod/ap951016.html for this picture.

This picture is of a Irregular Galaxy. Thanks to http://antwrp.gsfc.nasa.gov/apod/ap950728.html for this picture.