Related sources

"Big Players" iPhone web gallery solutions

You should access links bellow with your iPhone, because this are all iPhone optimized web galleries. If the application detect that you're not iPhone user, you will be redirected to appropriate url for your browser.
Basically they are all develop in Javascript and like a Photos application have thumbnails on one view and full screen mode on another. As expected, Apple's solution is the closest match to the original. As they are created in era before 2.0 OS, neither one has sliding or touches support.

Facebook for iPhone
You have to have Facebook account, and access Photos section.

Google Picassa Mobile Web
Very nice solution with web variant of zoom feature too.

Mac Mobile Me Gallery
Closest iPhone Photos match. This link leads to Apple's demo gallery.

iPhone web development links

This section contains links you should visit if you are interested in iPhone web development. This sites provide knowledge about iPhone and Mobile Safari browser, about Javascript, css, new features, examples etc.

Apple Dev Center for web and for iPhone.
Official documentation guides and references. Here you will find full reference about iPhone's Javscript, WebKit and HTML implementations. Also here you will find iPhone specifications (available screen size, etc.)

iPhone WebDev
Contains some nice examples about iPhone web development. Nice start for beginners. Saddle, this site has no new articles in last two years. On the other hand, good news are that the user group is still active and alive. Join the conversation!

SitePen blog - Touching and Gesturing on the iPhone by Neil Roberts
Excellent article. This is some kind of touch events reference. There is also a nice demo which shows basic overview of new capabilities introduced in article.

myDailyPhoto - iPhone Safari Flick Navigation Written by Matthew Congrove
Another article on touch events with more usable example - sliding content with your finger gesture.

iUI
Joe Hewitt's iPhone navigation enables creating iPhonized web interface with only basic Javscript knowledge. Easy to understood, small - it is far most spreader iPhone web platform. Facebook for iPhone is also based on it.

iWebkit
Quite fresh javascript library for developing iPhone web applications. It is simple and yet powerful. Check out the demo see for yourself how really awesome it looks.