there's one more choice, which I also use frequently to share photos between friends and family members and which is technically not very challenging nor does it cost you a penny (well, depending on whether you already keep your computer humming 24/7 or not).
Set up a web server to run on your own computer (or another computer in your local network). Configure your ADSL modem to forward the HTTP connection requests to your computer. Just make sure not to open and use the default HTTP port (80) in the web server or firewall; use some other number between 1 and 65535 instead. That significantly reduces the number of attempts to try to crack your web server (at least from botnets which do not specifically target you). A web server of some sort can be installed on any computer.
If you want to use a non-default IP port, you need to embed the port number in the address, for example (at my home):
(remove spaces from the above string; Nikonians web system does not seem to allow special ports in the links!)
The image in the site described above is only 8 MBs but it demonstrates the idea. I'll keep the site alive for a couple of days. The 'robots.txt' file instructs Google and other search engines from indexing the site.
Allowing your clients to download images from your home computer will slow down your upload speed (from your point of view) but usually that is not as much of an issue as reducing the download speed. Of course, with 1 Mbps upload speed it could take ages for them to download your 211 GB of images. However, it's the same limit you will find with any online transactions from your computer, leaving only portable USB drives as the only alternative to be used for large image store distribution.
If you don't have a static IP address - I don't have either - you can use one of the dynamic IP address services allowing your clients to connect using a fixed URL even if the address changes. If you keep your modem (with NAT service) connected 24/7, it probably doesn't change - unless your operator makes major configuration/routing changes to your subnet.