where can I download one? I cant use my cs, but I can still use tes4edit. but I need a blank esp to do it with, nexus under the search for blank gave me blank signs and an empty world to fill with my own monsters.

Copy the "blank.esp" out of the Oblivion\Mopy\Extras folder.


Edit: Mopy is Wrye Bash's folder, so, as you can tell, it is packaged with Wrye Bash.

TY!
I knew there was one but couldnt remember where

DLC Shivering Isles.esp is blank one - everything goes to Oblivion.esm and the esp just loads the BSA files of SI. So, you can use this one.
Another possibility is MMM.esp which some people use to load MMM.BSA.

Other options include making a copy of the DLC Shivering Isles ESP, or just using TES4Edit to create a new ESP itself. This can be done by copying any record from Oblivion.esm. When asked which ESP to copy into, one option is "new mod". If you choose that, you then get asked to name the ESP (don't include .esp in the name, TES4Edit will add this itself), after which a new ESP will be generated for you to edit and save.