Don't not install it because of what I said. The code to create an XML file from a recordset works and that (at least) is pretty simple and straightforward. You'll still get the metric s**tload of includes though.
>> Is it difficult to create RSS manually?
Not really. You create a standard recordset and then echo out a document that conforms to the RSS standard. The top part of the document is a straight echo and the data part is a repeating region.
Here's a link to an Access/ASP example. You should be able to modify it to meet your needs:
http://www.codeave.com/asp/code.asp?u_log=149