protected function renderDataCellContent($row, $data)
	{
		$content = $this->emptyText;
		if ($this->imagePathExpression && $imagePath = $this->evaluateExpression(
			$this->imagePathExpression,
			array('row' => $row, 'data' => $data)
		)
		) {
			$this->imageOptions['src'] = $imagePath;
			$content = CHtml::tag('img', $this->imageOptions);
		} elseif ($this->usePlaceHoldIt && !empty($this->placeHoldItSize)) {
			$content = CHtml::tag(
				'img',
				array('src' => 'http://placehold.it/' . $this->placeHoldItSize)
			);
		} elseif ($this->usePlaceKitten && !empty($this->placeKittenSize)) {
			$content = CHtml::tag('img', array('src' => 'http://placekitten.com/' . $this->placeKittenSize));
		}
		echo $content;
	}