Hello,
This download literally came out a couple of minutes ago but it is for those who want to install tekkit on their Multicraft hosting panel.
http://www.minecraftserver.com.au/blog/tekkit-3-0-4-server-package/
1 – Extract and upload the archive to the root directory of your server.
2 – Once the upload is complete, on your main panel screen, select the “Tekkit 3.0.4 Server″ option in the jar selection drop down box and save changes.
3 – Start the server.