I think it will work, as there are not numeric slugs (and I don't expect there to be). This is the entire list of slugs:

```bash
$ curl "https://api.digitalocean.com/v1/images?client_id=<client_id>&api_key=<cpi_key>" | json_pp | grep '"slug"' | cut -d\" -f4 | sort | column

arch-linux-2013-05-x32		debian-6-0-x64				gitlab-ubuntu-13.10					ubuntu-12-10-x32
arch-linux-2013-05-x64		debian-7-0-x32				lamp-ubuntu-12.04					ubuntu-12-10-x64
centos-5-8-x32				debian-7-0-x64				mean-ubuntu-12.04					ubuntu-12-10-x64-desktop
centos-5-8-x64				dokku-ubuntu-14.04			rails-unicorn-nginx-ubuntu-12.10	ubuntu-13-10-x32
centos-6-4-x32				fedora-19-x32				redmine-ubuntu-12.04				ubuntu-13-10-x64
centos-6-4-x64				fedora-19-x64				ubuntu-10-04-x32					ubuntu-14-04-x32
centos-6-5-x32				fedora-20-x32				ubuntu-10-04-x64					ubuntu-14-04-x64
centos-6-5-x64				fedora-20-x64				ubuntu-12-04-x32					wordpress-ubuntu-13.10
debian-6-0-x32				ghost-ubuntu-12.04			ubuntu-12-04-x64					null
```