Of course you can ... This really is the reason Limewire exists! Just put the files you want to share into a folder. Go to Limewire options or preferences > shaing > share folder, and choose add > browse for the folder and add it.
alternatively copy the files to the share folder that is already specified.
You may want to alter the titles of the files which you can do in the Limewire library. This sometimes doesn't work and if you have problems let us know.
WARNING DO NOT EVER USE THE DELETE FEATURE IN THE LIMEWIRE LIBRARY on saved files they will be erased from your hard drive instantly!
Let us know the titles. I'd like to hear them