Get Current Product : Magento (Product Data)

// get current product from Mage:registry
$currentproduct = Mage::registry('current_product');

// general product data
echo $currentproduct->getName();
echo $currentproduct->getId();
echo $currentproduct->getProductUrl();
echo $currentproduct->getSku();

// get attributes
echo $currentproduct->getAttributeText('attribute_name');

// get image src
echo $this->helper('catalog/image')->init($currentproduct, 'small_image')->resize(100);