It sounds like you don't have enough permissions to add the webpart. What OS are you on? If it's Windows Server 2008 R2 etc you will have to run the command prompt as an administrator or turn off UAC for administrators.
As for the config WSP builder will create you a file called solution. Txt which contains the Id for your solution. For more control over what it is doing you can add a WSP Builder config file to your project called "WSPBuilder.exe.
Config". An example one can be found in "C:\Program Files\WSPTools\WSPBuilderExtensions".
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.