[Iska]

Код:

@echo off
setlocal enableextensions enabledelayedexpansion

set /p iCount=Enter count:
set /p sNamePart=Enter part name:

>"Result.txt" (
	for /l %%i in (1, 1, %iCount%) do (
		set sVar=000%%i
		for %%j in ("cover" "tumble") do echo http://mysite.com/wp-content/uploads/!sVar:~-4!%sNamePart%-%%~j.jpg
	)
)

endlocal
exit /b 0