$ git submodule add git://github.com/slywalker/TwitterBootstrap.git app/Plugin/TwitterBootstrap
$ git submodule update --init --recursive

$ cd /your/app/path
$ cake twitter_bootstrap.copy

$ cd /your/app/path
$ cake twitter_bootstrap.make

CakePlugin::load('TwitterBootstrap');

<?php
class AppController extends Controller {

	public $helpers = array(
		'Session',
		'Html' => array('className' => 'TwitterBootstrap.BootstrapHtml'),
		'Form' => array('className' => 'TwitterBootstrap.BootstrapForm'),
		'Paginator' => array('className' => 'TwitterBootstrap.BootstrapPaginator'),
	);

}

<?php echo $this->Html->css('bootstrap.min'); ?>
<?php echo $this->Html->css('bootstrap-responsive.min'); ?>

<?php echo $this->Html->script('bootstrap.min'); ?>

<?php echo $this->Form->create('Sample', array('class' => 'form-horizontal')); ?>
	<fieldset>
		<legend>Extending form controls</legend>
		<?php echo $this->Form->input('field1', array(
			'label' => 'Prepended text',
			'type' => 'text',
			'class' => 'span2',
			'prepend' => '@',
			'helpBlock' => 'Here\'s some help text',
		)); ?>
		<?php echo $this->Form->input('field2', array(
			'label' => 'Appended text',
			'type' => 'text',
			'class' => 'span2',
			'append' => '.00',
			'helpInline' => 'Here\'s more help text',
		)); ?>
		<?php echo $this->Form->input('field3', array(
			'label' => 'Append and prepend',
			'type' => 'text',
			'class' => 'span2',
			'prepend' => '$',
			'append' => '.00',
		)); ?>
		<?php echo $this->Form->input('field4', array(
			'label' => 'Append with button',
			'type' => 'text',
			'class' => 'span2',
			'append' => array('Go!', array('wrap' => 'button', 'class' => 'btn')),
		)); ?>
		<?php echo $this->Form->input('field5', array(
			'label' => 'Inline checkboxes',
			'type' => 'select',
			'multiple' => 'checkbox inline',
			'options' => array('1', '2', '3'),
		)); ?>
		<?php echo $this->Form->input('field6', array(
			'label' => 'Checkboxes',
			'type' => 'select',
			'multiple' => 'checkbox',
			'options' => array(
				'1' => 'Option one is this and that—be sure to include why it\'s great',
				'2' => 'Option two can also be checked and included in form results',
				'3' => 'Option three can—yes, you guessed it—also be checked and included in form results',
			),
			'helpBlock' => '<strong>Note:</strong> Labels surround all the options for much larger click areas and a more usable form.',
		)); ?>
		<?php echo $this->Form->input('field7', array(
			'label' => 'Radio buttons',
			'type' => 'radio',
			'options' => array(
				'1' => 'Option one is this and that—be sure to include why it\'s great',
				'2' => 'Option two can is something else and selecting it will deselect option one',
			),
		)); ?>
		<div class="form-actions">
			<?php echo $this->Form->submit('Save changes', array(
				'div' => false,
				'class' => 'btn btn-primary',
			)); ?>
			<button class="btn">Cancel</button>
		</div>
	</fieldset>
<?php echo $this->Form->end(); ?>

// SomethingsController
$this->Session->setFlash(__('The something has been saved'), 'alert', array(
	'plugin' => 'TwitterBootstrap',
	'class' => 'alert-success'
));
$this->Session->setFlash(__('The something could not be saved. Please, try again.'), 'alert', array(
	'plugin' => 'TwitterBootstrap',
	'class' => 'alert-error'
));

// View
<?php echo $this->Session->flash(); ?>

// Auth
<?php echo $this->Session->flash('auth', array(
	'element' => 'alert',
	'params' => array('plugin' => 'TwitterBootstrap'),
)); ?>

// div.pagination.pagination-centered
<?php echo $this->Paginator->pagination(); ?>
// ul.pager
<?php echo $this->Paginator->pager(); ?>

<?php echo $this->Html->breadcrumb(array(
	$this->Html->link('one', '/one'),
	$this->Html->link('two', '/two'),
	'three',
)); ?>