Here's a bunch of Rodney whumpage -

Of Duty, Atonement, and Redemption (http://www.sgc-gategirl.com/odaar/1.html)

Deprivation (http://www.chaps1870.com/deprivation.htm)

Replaced (http://www.wraithbait.com/viewstory.php?sid=6995)

Stockholm Syndrome (Tearing Down the House) (http://community.livejournal.com/sga_flashfic/309092.html)

No More Dreadful Punishment (http://community.livejournal.com/sga_flashfic/342464.html)

Charting the Motion of the Planets (http://www.area52hkh.net/asd/dasha/charting.php)

Already Seen (http://in-wintertime.livejournal.com/6407.html)

Finding Rodney (http://wraithbait.com/viewstory.php?sid=77)

Coping Mechanisms (http://www.amireal.com/Coping1.htm)

Place Your Hand (http://www.area52hkh.net/asc/chelle/yourhand.php)

Resilience (http://tiranog.southroad.com/Tiranog_Site_Map_Web.htm)

Atlantean Delicacy (http://davidhewlett.tarlanx.com/fiction/viewstory.php?sid=32)

Thorn Apples (http://www.caffiends.net/viewstory.php?sid=422)

Scheherazade (http://in-wintertime.livejournal.com/3985.html)

Conquests (http://www.area52hkh.net/asd/dpromises/conquest.php)

Left Leg (http://community.livejournal.com/mckay_sheppard/786090.html)

Side Effects (http://jane-elliot.livejournal.com/316.html)

Paradox of Vision (http://apple-pi.livejournal.com/215400.html)

Handle With Care (http://mithreon.livejournal.com/4908.html)

Coming Home (http://www.xanthe.org/SGA/cominghome/ch1.htm) which takes place in a BDSM AU, although the BDSM is handled in a very harlequinesque manner so that made it readable for me

Going Public (http://orandream.livejournal.com/79743.html) - everyone, and I mean everyone, is whumped in this one