WAMP mod_rewrite RewriteRule not working - .htaccess

Question

I am trying to use adaptive images on my local wamp server. The ai-cache folder is not showing up and the images are not being replaced at all. As per this thread I tried RewriteRule .(?:jpe?g|gif|png)$ test.jpg in the .htaccess file and add test.jpg in the same folder but that doesn't change anything.
In the wamp menu Apache->Apache Modules->rewrite_module is checked and it is uncommented in httpd.conf LoadModule rewrite_module modules/mod_rewrite.so
I restart all services in wamp whenever I change .htaccess. Also if I write asdf at the top it does give a 500 Internal Server Error so I know the file is being read.
What am I doing wrong?
Here is the .htaccess file located in a couple sub directories (www/demos/test/):
<IfModule mod_rewrite.c>
Options +FollowSymlinks
RewriteEngine On
# Adaptive-Images -----------------------------------------------------------------------------------
# Add any directories you wish to omit from the Adaptive-Images process on a new line, as follows:
# RewriteCond %{REQUEST_URI} !ignore-this-directory
# RewriteCond %{REQUEST_URI} !and-ignore-this-directory-too
RewriteCond %{REQUEST_URI} !assets
# don't apply the AI behaviour to images inside AI's cache folder:
RewriteCond %{REQUEST_URI} !ai-cache
# Send any GIF, JPG, or PNG request that IS NOT stored inside one of the above directories
# to adaptive-images.php so we can select appropriately sized versions
RewriteRule \.(?:jpe?g|gif|png)$ adaptive-images.php
# END Adaptive-Images -------------------------------------------------------------------------------
</IfModule>
Here is my httpd.conf section:
#
# This should be changed to whatever you set DocumentRoot to.
#
<Directory "c:/wamp/www/">
#
# Possible values for the Options directive are "None", "All",
# or any combination of:
# Indexes Includes FollowSymLinks SymLinksifOwnerMatch ExecCGI MultiViews
#
# Note that "MultiViews" must be named *explicitly* --- "Options All"
# doesn't give it to you.
#
# The Options directive is both complicated and important. Please see
# http://httpd.apache.org/docs/2.2/mod/core.html#options
# for more information.
#
Options None
#
# AllowOverride controls what directives may be placed in .htaccess files.
# It can be "All", "None", or any combination of the keywords:
# Options FileInfo AuthConfig Limit
#
AllowOverride all
#
# Controls who can get stuff from this server.
#
# onlineoffline tag - don't remove
Order Deny,Allow
Deny from all
Allow from 127.0.0.1
Allow from ::1:
</Directory>

Answer 1

Alright, I figured out why it was not working! This was not a WAMP/localhost problem at all.
For some reason the default .htacess file that adaptive images comes with does not work out of the box for every situation. But... All I had to add was [NC,L] to the end of the rewrite rule. The html and image tag has the .jpg extension as lower case but my image file was written in caps (.JPG) which I did not notice until I turned on file extensions in the file browser.
nocase|NC: Makes the pattern comparison case-insensitive.
last|L: Stop the rewriting process immediately and don't apply any
more rules. Especially note caveats for per-directory and .htaccess
context (see also the END flag).
Source
Here is the final code:
<IfModule mod_rewrite.c>
Options +FollowSymlinks
RewriteEngine On
# Adaptive-Images -----------------------------------------------------------------------------------
# Add any directories you wish to omit from the Adaptive-Images process on a new line, as follows:
# RewriteCond %{REQUEST_URI} !ignore-this-directory
# RewriteCond %{REQUEST_URI} !and-ignore-this-directory-too
RewriteCond %{REQUEST_URI} !assets
# don't apply the AI behaviour to images inside AI's cache folder:
RewriteCond %{REQUEST_URI} !ai-cache
# Send any GIF, JPG, or PNG request that IS NOT stored inside one of the above directories
# to adaptive-images.php so we can select appropriately sized versions
RewriteRule \.(?:jpe?g|gif|png)$ adaptive-images.php [NC,L]
# END Adaptive-Images -------------------------------------------------------------------------------
</IfModule>