If you read that thread link I gave, it says, ignore the LimeWire library & playlist. They don't do anything except give playlists to yourself, & if you're connected to a network it will give that playlist to other computers connected if they also have iTunes.

Go to the LimeWire download folder (saved or/& shared folders), open them up, select multiples of the song files by holding the SHIFT key down so they are selected together, then drag & drop them onto the Library icon at the very top of the iTunes playlist. When doing this, you should see a meter showing the songs actually being added to iTunes library (they are copied to the iTunes Music folders.) Now, you have the choice of creating a playlist to add those songs to iPod, else, manually add them. There is a tutorial about how to manually add songs to your iPod. (Yes, you can drag & drop playlists or manually drag & drop specific songs onto iPod but the latter 'only' if you have iPod set to manual update.)

Once you have achieved this once, you will be on your way & won't forget.

* For fast & easy access, go to your LW Library window, select Saved Files folder & press the Explore button. Sample image here: Using Library Explore button to access downld folder (click on link) & the folder will open up for you. You can drag & drop songs from there to iTunes Library icon.