I've found www.ofoto.com to work out really well for me. So far(15megs) I haven't been able to fill up my account so they give you plenty of disk space.
You simply upload into albums of your creating and that's it. Then you "Share" your album so everyone can see it.
The important thing to remember is to share it with yourself. You will be sent an e-mail with the link to your album. This link will work for anyone on any computer!