Paypayl standard VS Paypal Exress

Hi guys,

I am just wondering what 's wrong in my operation by installing the Paypal stand and paypal express checkout .

i use the righ API username and password and signature.

but when buyer is redirected to the paypal gateway, it is the same page.

And the paypal standard and express check out image, i have inserted them when i created the payment method. But no image display at the payment method option section.

Please see my attachment.

Help me. thank you .

paypal checkout.png