Make sure you can access the S3 bucket with a command such as:
$ hdfs dfs -put localfile s3n://$BUCKET/
If this works, uncompress the attached jar and try the command below.
$ hadoop jar $MYLIBPATH/hadoop-tools-1.3.0-SNAPSHOT.jar \
org.apache.hadoop.tools.NewDistCp \
src s3n://$BUCKET/