....
'images' => array(
	'exclude' => 0,
	'label' => 'images',
	'config' => \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::getFileFieldTCAConfig(
		'images',
		array(
			'appearance' => array(
		                'headerThumbnail' => array(
		                	'width' => '100',
		                	'height' => '100',
	                	),
	                'createNewRelationLinkTitle' => 'LLL:EXT:your_extension/Resources/Private/Language/locallang_db.xlf:tx_yourextension_db_table.add-images'
	            	),
			// custom configuration for displaying fields in the overlay/reference table
			// to use the imageoverlayPalette instead of the basicoverlayPalette
			'foreign_types' => array(
				'0' => array(
					'showitem' => '
						--palette--;LLL:EXT:lang/locallang_tca.xlf:sys_file_reference.imageoverlayPalette;imageoverlayPalette,
						--palette--;;filePalette'
				),
				\TYPO3\CMS\Core\Resource\File::FILETYPE_TEXT => array(
					'showitem' => '
						--palette--;LLL:EXT:lang/locallang_tca.xlf:sys_file_reference.imageoverlayPalette;imageoverlayPalette,
						--palette--;;filePalette'
				),
				\TYPO3\CMS\Core\Resource\File::FILETYPE_IMAGE => array(
					'showitem' => '
						--palette--;LLL:EXT:lang/locallang_tca.xlf:sys_file_reference.imageoverlayPalette;imageoverlayPalette,
						--palette--;;filePalette'
				),
				\TYPO3\CMS\Core\Resource\File::FILETYPE_AUDIO => array(
					'showitem' => '
						--palette--;LLL:EXT:lang/locallang_tca.xlf:sys_file_reference.imageoverlayPalette;imageoverlayPalette,
						--palette--;;filePalette'
				),
				\TYPO3\CMS\Core\Resource\File::FILETYPE_VIDEO => array(
					'showitem' => '
						--palette--;LLL:EXT:lang/locallang_tca.xlf:sys_file_reference.imageoverlayPalette;imageoverlayPalette,
						--palette--;;filePalette'
				),
				\TYPO3\CMS\Core\Resource\File::FILETYPE_APPLICATION => array(
					'showitem' => '
						--palette--;LLL:EXT:lang/locallang_tca.xlf:sys_file_reference.imageoverlayPalette;imageoverlayPalette,
						--palette--;;filePalette'
				)
			),
		),
		$GLOBALS['TYPO3_CONF_VARS']['GFX']['imagefile_ext']
	)
),