Find where they belong

1234567
Across
  1. 3. The water must flow.
  2. 4. hcomik neocities org
  3. 6. The hint is elsewhere.
  4. 7. It falls at the falls
Down
  1. 1. There is something hidden among the directory.
  2. 2. Watch the stairs. The raw uncompressed image is important.
  3. 5. Enter. 14-8-5-22-23-15-18