more README, cleanup

README.md

@@ -71,6 +71,43 @@ To cleanup, do:
 
 	scons -uc
 
-### Other builders
+### SVGs, PNGs and GZipped versions
 
-Write me.
+Here is a more complete example `SConstruct` that show how to produce:
+
+   * Optimized SVGs
+   * PNGs from those
+   * GZipped versions of all
+
+everything produced via a single command (`scons`):
+
+	SVG_FILES = ['myfigure.svg', 'awesome_shit1.svg', 'awesome_shit2.svg']
+
+	IMG_SOURCE_DIR = "design"
+	IMG_GEN_DIR    = "gen"
+
+	import pkg_resources
+	taschenmesser = pkg_resources.resource_filename('taschenmesser', '..')
+
+	env = Environment(tools = ['default', 'taschenmesser'], toolpath = [taschenmesser])
+
+	for svg in SVG_FILES:
+	   svgOpt = env.Scour("%s/%s" % (IMG_GEN_DIR, svg),
+	                      "%s/%s" % (IMG_SOURCE_DIR, svg),
+	                      SCOUR_OPTIONS = {'enable_viewboxing': True})
+
+	   env.GZip("%s.gz" % svgOpt[0], svgOpt)
+
+	   png = env.Svg2Png("%s.png" % os.path.splitext(str(svgOpt[0]))[0],
+                         svgOpt,
+                         SVG2PNG_OPTIONS = {})
+
+	   env.GZip("%s.gz" % png[0], png)
+
+### Amazon S3
+
+Write me.
+
+### Google Closure
+
+Write me.