For the DADA homework, it will help your reader if you include an image of the 2 pieces you are discussing. You can do this by doing a right-click on the image (before you zoom in) and going to "Copy Image Location". Then you can include the image by uploading it to your site, like this photomontage by Hannah Hoch.
To FTP to Freesound, please use another free FTP program (like Fugu) called Cyberduck (easy) in the main lab, or try your hand at the command line in Terminal (advanced).
Most keyboards and USB hubs operate from power supplied by the USB ports to which they are connected; this does not leave enough power for some brands of flash drive to operate properly. To avoid this, always connect the flash drive to a USB port that is DIRECTLY ON the computer. This means you should not use ones on the monitor (unless the monitor is also the computer), keyboard, or other peripherals. This should allow it to power up properly.