An issue I have had as well as other people (albeit in Drupal 7) have found that the module forces you to use an Imagecache preset. With a slideshow you are generally going to upload the right size image and don't want additional processing to be done on the image from PHP GD or ImageMagick.
Firstly, let’s start by saying that a PLOD is a brilliant experience but exhausting. You will feel absolutely shattered when you finish but the sense of achievement will be such that you will want to do another one despite saying at various times during the PLOD that this will be the last time.
To get the most out of the CDN module in Drupal 6 you will need to apply a patch or use Pressflow. Pressflow is a customised Drupal core that provides various performance tweaks under the hood. A lot of these were included in Drupal 7.
When you have a site which sells a single product the whole cart process seems all a bit too much especially as the cart adds nothing to the experience other than an additional screen and click which if anything will frustrate users.
Aten Design Group have a great little guide on the required steps to do various tasks. Although the post was written in 2011 it still applies to the latest version of Drupal Commerce.
In Views 3 a useful feature was added that when you had an empty view you could show a different view instead. Unfortunately within Views UI in Drupal 6 you can only add a basic text area. You could set up a PHP filter but that could cause problems with security.
This tutorial will guide you through showing another view if the original view is empty.
Sometimes the default field types within Webform don't work as we want them to or we want to do something beyond which will work beyond a few hacks in the theme. The following will show you what is required to define a new field type and the necessary functions to make it work.