Here is the list of online payment processors which you will probably need if you want to play online poker:

Bank Drafts & Personal Checks
Are accepted at most online gaming destinations. Only downside is the fact that you have to wait a few weeks for funds to be cleared and deposited into your poker account.

Bank Wire Transfers
Very common payment method used by high-stakes players. Transactions can take a few days to go through but there’s no limit on how much you are allowed to send.

Click2Pay
Click2Pay facilitates simple and secure online money transfer. Signup is free and you can choose from a dozens of funding options and make instant payments at thousands of websites. Click2Pay accepts three different currencies you can use, US$, Euros and Pounds. If you fund your Click2Pay account with a credit card, you will have to pay a 3% transaction fee on amount you deposit.

Credit Cards
Visa and MasterCard are two credit cards that are most commonly used to fund online poker accounts. Credit card deposits are easy and secure. However, some financial institutions refuse to process credit card transactions related to online gambling which makes impossible to use credit cards as a deposit method.

Instadebit
InstaDebit is not an e-wallet, it is a funds transfer service. You can’t open Instadebit account, instead when you make a deposit the money goes straight from your bank account to your poker room account. There are no transaction fee which is a major advantage if you use Instadebit.

Moneybookers
Moneybookers enables any business or consumer with an email address to securely and cost-effectively send and receive payments online – in real-time! Moneybookers is easy to use and very fast since all deposits to your poker accounts are made almost immediately. There are no fees for Moneybookers transactions with poker rooms, however withdrawals from Moneybookers have fees from €1.80 to €3.50, depending on your withdrawal method.

NETeller
Started in 1999, the NETeller Payment Network is the fastest and safest way to move your money online. NETeller account is an e-wallet that allows customers to move money around the net. Its easy to use, safe and fast since all transfers to and from poker accounts are almost instant.