Save your svg files to a file on your computer. Then, in your Silhouette program:
Click File - Open and select the svg file you saved on your computer. It will come up with a message that says "No items match your search" You need to go down to the "Files of type:" and select 'svg' from the drop down list. Select the file you want to open. When you send it to be cut, it will prompt you for "cut line settings". Select the image and then select "cut". Then you can send it to the Silhouette and cut.
There might be an easier way, but this is how I do it. :)