Joomla Modifications

I have a module that i want to only display on certain pages. I only want this module to show on the page that has task=show. For any others I want to hide it. Also I want to modify an existing script that was made to match items in one db to another. Currently it does this too well. I want to add some rules to it. For example if there is the word 'ed' in one table and then there is a word tabled it will match. I dont want it to do this, I only wnat it to match when its on its own or when its followed by a . or , or something. I will pay $30 for these joomla modifications. Requirements: MUST have many joomla projects. MUST be a freelancer MUST have read this, say 123ireadit to prove to me you have read it. MUST be available within the next 24hours. MUST be able to do this for under $30. If you are fast and smart I will use you for more joomla projects. :)