Enhanced the nginx deployment subsection of the documentation with working examples.

'tricky' was changed to 'different' to offer a more neutral tone.
'some' was changed to 'no' and 'not properly' swapped with 'by default' to explain the difference.
Configuration allows for static serving of media alongside a FastCGI application in a clean declarative manner.
Tested on nginx 0.7.x and 0.8.x

docs/deploying/fastcgi.rst

@@ -73,26 +73,27 @@ root.
 Configuring nginx
 -----------------
 
-Installing FastCGI applications on nginx is a bit tricky because by default
-some FastCGI parameters are not properly forwarded.
+Installing FastCGI applications on nginx is a bit different because by default
+no FastCGI parameters are forwarded.
 
-A basic FastCGI configuration for nginx looks like this::
+A basic flask FastCGI configuration for nginx looks like this::
 
-    location /yourapplication/ {
+    location = /yourapplication { rewrite ^ /yourapplication/ last; }
+    location /yourapplication { try_files $uri @yourapplication; }
+    location @yourapplication {
         include fastcgi_params;
-        if ($uri ~ ^/yourapplication/(.*)?) {
-            set $path_url $1;
-        }
-        fastcgi_param PATH_INFO $path_url;
-        fastcgi_param SCRIPT_NAME /yourapplication;
+	fastcgi_split_path_info ^(/yourapplication)(.*)$;
+        fastcgi_param PATH_INFO $fastcgi_path_info;
+        fastcgi_param SCRIPT_NAME $fastcgi_script_name;
         fastcgi_pass unix:/tmp/yourapplication-fcgi.sock;
     }
 
 This configuration binds the application to `/yourapplication`.  If you want
-to have it in the URL root it's a bit easier because you don't have to figure
+to have it in the URL root it's a bit simpler because you don't have to figure
 out how to calculate `PATH_INFO` and `SCRIPT_NAME`::
 
-    location /yourapplication/ {
+    location / { try_files $uri @yourapplication; }
+    location @yourapplication {
         include fastcgi_params;
         fastcgi_param PATH_INFO $fastcgi_script_name;
         fastcgi_param SCRIPT_NAME "";