You just have to select the account in which you want to deposit your funds, then select the channel you want to use. I used Neteller to fund my account in which as soon as the transaction succeeds the money starts reflecting in your account along with that they provide a bonus facility at the time of deposit you can opt for the relevant option and get yourself a bonus as well.
Now for withdrawing funds, there are fewer options as compared to deposit channels, the options available are as follows: