The solution for all WordPress webshops: Pronamic
Pronamic Pay is one of the most flexible Wordpress extensions when it comes to payments. Do you want to add the iDEAL payment method to your website? Then there is a big chance that Pronamic supports this payment method. You can receive iDEAL payments with 21 different plugins thanks to Pronamic! There are also available plugins that support payments via Bancontact.