What you'll find out there for free are mostly midi files, and you can make your own midi files with the equipment you already have.
Create a new song in Cubase, set up a midi track with the LM7 VSTi, then when you've tapped out what you want on your midi controller export it as a one, two, four, eight bar loop, name it and set it aside.
Then repeat.
In half an hour you will have many drum loops in a midi file format, which have the great advantage over .wav files of sounding the same at every tempo. You can import these into any one of your fine compositions, and if you've marked one as 'verse', one as 'chorus' and a couple as fills you'll make the cut and pasting much easier.
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