Need help for 2checkout Custom box option

hi,

I some trouble with 2checout payment system that i cant put any custom comment box on price tables. Many people's are using paypal and they are used paypal custom comment/link box option on their price tables order now button. but i am using 2checkout payment system so how can i use custom comment box option ex: when a customer order any of my packages and they can put their give their link or comment on the order?

Any help? that will be Great for me!

Thanks

I too need someone ping me too !