Yes, you can now choose the Subscription Term for your account.
First time Plus customers, at the bottom of the Greyscalegorilla Plus page, you have to payment options: Annual (best value) or Monthy. Choose the term you prefer and "Add to Cart".
Returning Plus users, make sure you are signed in to the Customer Portal. Click on "My Subscription" from the menu on the left.
Under "Subscription Totals", click "Change Subscription Term". From the dropdown menu you can choose Annual or Monthly payments. Make sure to click "Update Subscription" to save your changes.