Although I know minimal Russian, I deciphered "water fight" and did a Google and Yahoo search. I also searched "fountain" and "glamour" and "water," along with various combinations thereof.
Some candid shots (more fountains), mostly from online publications; I have avoided the ones in which the subjects appeared to be too young:
http://borodatos.com/tag/mokrie-voiny/
http://reporter.ria.ru/ugc/20110725/406802851.html
http://news.21.by/other-news/2011/06/06/313396.html
http://kp.by/photo/gallery/32654/
http://kp.by/photo/620678/
http://samara.bezformata.ru/listnews/samartci-obyavili-zhare-mokruyu/982979/\
http://bigpicture.by/fotonovosti/67-vodnye-vojny-proxodyat-v-minske.html
http://korsart.livejournal.com/27556.html
http://iz.com.ua/2011/05/21/zaporozhtsev-rasstreljajut-iz-vodjanyx-pistoletov/
http://another.by/gallery/14-08-10-street-wetwars/
http://begunkova.blogspot.com/2011/06/2011_05.html
http://www.spletnik.ru/img/2011/02/dasha/20110210vanessa-detailsPOST.jpg
http://yumorok.ru/devushki/7661-mokrye-devchonki.html
http://steal86.livejournal.com/143279.html
http://www.photosight.ru/photos/3114806/ Series, lady with yellow dress
http://www.photosight.ru/photos/2992385/
http://www.photosight.ru/photos/2951549/
http://lelyak.livejournal.com/57067.html
http://www.youtube.com/watch?v=fBoHonXMgUw Short vid
http://www.youtube.com/watch?v=HkZ58AmvyY8 Short WetTube
http://www.youtube.com/watch?v=L22Dr7w7Byg Slide show, models splashed with water
http://jokesland.net.ru/pi/mokrye_futbolki_2/44.jpg White top
http://jokesland.net.ru/pi/mokrye_futbolki_2/48.jpg White top
http://jokesland.net.ru/pi/mokrye_futbolki_2/7.jpg White blouse with jeans
http://timekilla.ru/_nw/30/49416864.jpg Black dress, heels
http://www.flickr.com/photos/angellaprado/5033631978/ Shorts and t-shirts
http://www.modellbilder.se/photosession.php?id=46964 Red-orange T-shirt
(you can change amount)
-> TO
Candid Russian wetlook
