Alistair can marry the female wardens if he is in love, and NOT becoming king (remaining a Grey Warden). Plus if you do NOT have DahliaLynn's Royal wedding installed and Alistair is made king by a female noble human AND at love status, the Grey Warden Wedding will play for her. If the royal wedding IS installed, the correct wedding scene will play.
Of course, Alistair and the female Warden must have survived the final battle (Dark Ritual)
Female Cousland ~Wedding in Cousland Castle main hall
Female Dwarfs ~ Weddings in Assembly Hall Orzammar
Female City Elf ~ Wedding at Denerim Alienage
Female elf and Human mages ~ Weddings in improved RedCliffe Chantry
Female Dalish ~ Wedding at the Dalish Camp

Male Cousland and Anora ~ Wedding at the improved RedCliffe chantry

If you have Ser Gilmore NPC installed (and recruited) he will attend the wedding.
Required files~
Patch 1.05
Epilogue Events Framework (this dazip is included and required)
If you already have the framework installed from Zevran open wedding, no need to reinstall it.
Grey Warden Weddings
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Install.. download the GW_wedding package and unzip to desktop (or folder of your choice). Use daupdater (in Dragon age/bin_ship folder) or DAModder to install both dazips (Epi Events Framework and Grey Warden Weddings).
Make sure they are enabled under installed content.

This can be installed almost anytime during the game since it is a post coronation event. BUT, for best results install before killing the Arch-demon to avoid any problems. This should work with post coronation saves IF you already had the epi event framework installed prior (with Zevrans open wedding).
Talk to the guard on the right at the doors of the landsmeet chamber at post coronation.
This mod should be compatible with almost everything. It was tested with a multitude of mods, including Alistair's Proposal by Kajana.


~~~Compatibility issue~~ If you use ZDF (the epilogue fixes) you may get stuck in the wedding area after the slides. If this happens, remove the epilogue fix folder from ZDF before playing the wedding again.

Since DAI is coming out in a few weeks, this was not 100% fully tested, so if you find ANY problems, let me know asap. I would have rather had it fully tested for weeks, but we are sort of running out of time. :D

~~Clothing options~~
Alistair wears noble light armor from Kirkwall Exports by amycus
Male Cousland wears the other variation of noble armor.
Aremeta and theskymoves made a retexture mod and all the choices will work with this wedding, just follow tsm's instructions on the mod page. Easy Peezy :)
Texture Me Like One of Your Orlesian Armours by Aremeta and theskymoves

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Coming soon----- Wedding hairstyles and adornments by risibisi
Coming soon----- Alternate wedding dress by gabriel08