First, put a sql server connection object in your package and set the parameters to the db that you are loading the data into. Second, add a text source connection object and set that to the text file you are importing. Third, add a workflow connection between the two connection objects and map the fields in the text file to the fields in the table you are importing the data into. The field mapping is much like the import data wizard in Access so if you are familiar with that, you should be able to navigate through the process fairly well...
hth,
Michael
Michael Weiss