I would imagine we'd see more hijra photos if more of the hijras themselves had access to cameras and to the internet. Unfortunately the vast majority of them are among the most underprivileged people in India and Pakistan -- which is saying something, as both countries have substantial populations living in what for Westerners is frankly unimaginable poverty.
Another issue is that not all hijras (or other members of the third-caste gender in South Asia, see below) are eunuchs. Some were born with some degree of genital ambiguity, and might or might not be considered by Western medicine to have an intersex condition. Some have been castrated using traditional methods (i.e. not in a hospital or by a surgeon) which vary from region to region. Some are (as-yet) unmodified males living the hijra lifestyle -- and that's not a dig at the so-called 'homosexual lifestyle', in India hijras really do have a whole separate culture where they separate from their birth families and all other original social ties and live and work with other hijras in a subculture within but not quite of the surrounding community -- because they are what Westerners would consider transvestites or homosexuals and living as hijra is the outlet their culture offers. Still other hijras who were born male have become aware that more sophisticated surgical options are available and are trying to save up for SRS via a trip to Thailand. So even if you found a dozen photos, none of them would really be representative, since what hijras look like under their saris varies so much.
When searching, have you tried using different terms used in other parts of India? There are dozens of languages spoken in India besides Hindi, and among the ones spoken as majority languages in different regions are Gujarati, Punjabi, Tamil and Urdu; each one typically has at least one term equivalent to hijra. (Pradesh is one term meaning roughly 'state' or 'province' but if you look at a map of India you'll notice that only some of the political divisions are labeled 'pradesh' due to regional language differences.)
Wikipedia's hijra article (
http://en.wikipedia.org/wiki/Hijra_(South_Asia)) lists some of the alternate transliterations for "hijra" along with some of the other regional terms, and includes the appropriate native South-Asian script spellings of some of the terms as well, which you can C&P into Google if you have South Asian font support on your computer. (I know there are free fonts available that will display all of the major SA languages for Windows XP and later; the same is probably true of Linux and Mac but don't hold me to that.) Another issue, however, is that even if someone in India or Pakistan has access to a camera and an internet connection, they may face serious legal consequences if they go puting photos of their own or others' genitals (or lack thereof) online.
I hope this helps, and please don't take my comment as discouraging... I'd be curious to see photos of some of India's "third gender" people that show more than I've seen thus far, myself. I do hope the individuals being photographed would be appropriately compensated, though. Really, it's a shame that no one has thought of making it a business venture: there are plenty of hijras/pavaiyaa/aravani/etc. who can certainly use the money, and plenty of people like us elsewhere who can afford to pay a modest fee to view photos of what they look like 'down there' to the ones who are willing to show themselves other than in face-to-face encounters.
