plugin for custom field VM

Read the DESCRIPTION BEFORE bit ! hi, i need to DEVELOP custom joomla plugin for VirtueMart. ISSUE: We need to have in product description/custom field LARGE descriptions, tables, videos, etc. It means a lot of characters. But ALL fields in VM product have limit for number of characters in database. I rewrote that limit in the database settings but now we cant update VM because it rewrite it back and cut all of our descriptions.. SOLUTION: So we need create CUSTOM FIELD type for VM products. It have to be textarea. BUT. WITHOUT any limit for number of characters (custom db table?). It should be joomla plugin. Create as installable product. Also all copyrights to the plugin will be ours - mean NO free or paid distribution of the plugin. Please contact only if: - you are DEVELOPER in PHP and mysql - you are developer for Joomla - you are developer fo VirtueMart - you know how to create installable Joomla plugin with all joomla standards