custom attribute code in magento

For Text

<?php

$setup = new Mage_Eav_Model_Entity_Setup('core_setup');

// below code will add text attribute

$setup->addAttribute('catalog_category', 'Lady', array(

'group'         => 'General',

'input'         => 'text',

'type'          => 'varchar',

'label'         => 'Lady',

'visible'       => 1,

'required'      => 0,

'user_defined' => 1,

'global'        => Mage_Catalog_Model_Resource_Eav_Attribute::SCOPE_GLOBAL,

));

?>

For Image 

<?php 

$setup = new Mage_Eav_Model_Entity_Setup('core_setup');

$setup->addAttribute('catalog_category', 'image1', array(

    'input'         => 'image',

    'type'          => 'file',

    'group' => 'General',

    'label'         => 'Additional image 1',

    'visible'       => 1,

    'required'      => 0,

    'user_defined' => 1,

    'frontend_input' =>'',

    'global'        => Mage_Catalog_Model_Resource_Eav_Attribute::SCOPE_GLOBAL,

    'visible_on_front'  => 1,

));

?>