Was browsing the internet and found a flickR album with these large and detailed photographs from Mathew Brady. I will try to post more. If anybody wishes to contribute feel free!
Western Federal Companies ligned up on parade (Notice the hardees and slouches)
(https://www.fsegames.eu/forum/proxy.php?request=http%3A%2F%2Fgyazo.com%2F393ee7658197df55cfad90610a904c56.png%3F1366694021&hash=22e5dce18388a689ce6fbcf9dd02e31c27ae532c)
(https://www.fsegames.eu/forum/proxy.php?request=http%3A%2F%2Fgyazo.com%2F606c8b09b0de75722a2ba95f2fc38303.png%3F1366694052&hash=758daee1031f6f21c85bae12f58c30f6cc5c9ad0)
(https://www.fsegames.eu/forum/proxy.php?request=http%3A%2F%2Fgyazo.com%2F704ca962d31a6109026cef79e8654f62.png%3F1366694075&hash=7fdaaf3cd116086d65af715f2f16cc88d38d3b1a)
Camp of the 44th New York in Alexandria Virginia (notice the company streets)
(https://www.fsegames.eu/forum/proxy.php?request=http%3A%2F%2Fgyazo.com%2F8954e03551e75477b1a18c8842c69e0d.png%3F1366694135&hash=0353111f6433ef4f5b9d3014d4313ca545b6c6e8)
A Company Drilling Near Harpers Ferry 1861 (Notice the Sword Bayonets)
(https://www.fsegames.eu/forum/proxy.php?request=http%3A%2F%2Fgyazo.com%2Fff88726000a65c6be6f1d4309125f845.png%3F1366694154&hash=888eef2520ca45d30d8ffd1aecb43af68a946dc8)
Eastern Federal Companies Formed up on parade
(https://www.fsegames.eu/forum/proxy.php?request=http%3A%2F%2Fgyazo.com%2F3baf570a7db8d6680e7f43f42bacff0b.png%3F1366694102&hash=aadc81a2ee4b3a5395f8fcb52e4cdcbe691c9804)
(https://www.fsegames.eu/forum/proxy.php?request=http%3A%2F%2Fgyazo.com%2F0d90df666c6bd39e9d8fffff66567439.png%3F1366694178&hash=3f0f01cb169f3a036a4cd79b1f8a2487dd128d46)
(https://www.fsegames.eu/forum/proxy.php?request=http%3A%2F%2Fgyazo.com%2F0b70fbb76238996fd59fcb4c944ed747.png&hash=c0b6ace9b5c347f4e09c0c0f6205cb4210d40250)
Federal Soldiers and a Colored man in camp
(https://www.fsegames.eu/forum/proxy.php?request=http%3A%2F%2Fgyazo.com%2Fa58929c95c233f52938d782412bfe395.png%3F1366694117&hash=74eb061612608be3d9d1e9a49d40311db9034939)
Spoiler
(https://www.fsegames.eu/forum/proxy.php?request=http%3A%2F%2Fgyazo.com%2F0d90df666c6bd39e9d8fffff66567439.png%3F1366694178&hash=3f0f01cb169f3a036a4cd79b1f8a2487dd128d46)
Interesting, some men seems to be sporting boots, others even have gaiters!
likely this unit was in camp and not on campaign for gaiters and especially boots were done away with while on campaign.
Some more submissions
Another photograpgh of the camp of the 44th New York
(https://www.fsegames.eu/forum/proxy.php?request=http%3A%2F%2Fgyazo.com%2Ff3da99d49cbb7bc1a5c9843205dbb7d2.png&hash=703d5299493a2ee7bab8bd20b4264d374e63829a)
Federal Artillery During Drill
(https://www.fsegames.eu/forum/proxy.php?request=http%3A%2F%2Fgyazo.com%2F7005df56ab31c6a946f34346198a30bc.png&hash=0fcad46bce707e3ec1f0b3d85056d811a9486f64)
Crew of a Federal gunboat
(https://www.fsegames.eu/forum/proxy.php?request=http%3A%2F%2Fgyazo.com%2Ffbc564752b5b7155af5401e05d8e0805.png&hash=c4f9ed251e275dcdccef1a000448a7b2b3ca5744)
Heres a cool pic, not exactly during the period.
This is the confederate veterans reenacting the pickett charge at 50th Anniversary of Gettysburg
Spoiler
(https://www.fsegames.eu/forum/proxy.php?request=http%3A%2F%2Fmedia.smithsonianmag.com%2Fimages%2FCivil-War-commemoration-Picketts-charge-631.jpg&hash=a77da814fb78877a46681982f0e8b1e5fd49d565)
here is some that i had found
James River, Va. Pontoon bridge
Spoiler
(https://www.fsegames.eu/forum/proxy.php?request=http%3A%2F%2Fmemory.loc.gov%2Fservice%2Fpnp%2Fcwpb%2F03900%2F03994r.jpg&hash=a6ade5e2fe0668fce635be78817f3b827284cf13)
Gen. George B. McClellan's tent
Spoiler
(https://www.fsegames.eu/forum/proxy.php?request=http%3A%2F%2Fmemory.loc.gov%2Fservice%2Fpnp%2Fcwpb%2F00100%2F00112r.jpg&hash=d914a0fad9c408002749d0de3dff28958cec1d3c)
this is a cool one. this is a photo of Fredriksbug, 1863 March.
Spoiler
(https://www.fsegames.eu/forum/proxy.php?request=http%3A%2F%2Fmemory.loc.gov%2Fservice%2Fpnp%2Fcwpb%2F04300%2F04325r.jpg&hash=bfba9881fb3e4719ee48779f0574200b4d009703)
1st Pennsylvania reserves
Spoiler
(https://www.fsegames.eu/forum/proxy.php?request=http%3A%2F%2Fwww.pareserves.com%2Ffiles%2Ffaces%2F1st_Infantry%2Fcompany_a%2FCompany_A.jpg&hash=35e3530a45e0e90f14106f8b49213a5f497872ea)
(https://fbcdn-sphotos-h-a.akamaihd.net/hphotos-ak-snc7/577322_119820008206305_1854019234_n.jpg)
Spoiler
(https://sphotos-b.xx.fbcdn.net/hphotos-prn1/339018_10100416646648832_722821173_o.jpg)
(https://fbcdn-sphotos-g-a.akamaihd.net/hphotos-ak-prn1/934846_4814365078465_1209880059_n.jpg)
Men overlooking camp
(https://fbcdn-sphotos-g-a.akamaihd.net/hphotos-ak-prn2/976287_10201181691564866_607525912_o.jpg)
Guard for the headquarters of the 2ndUS Sharpshooters 1862
(https://fbcdn-sphotos-b-a.akamaihd.net/hphotos-ak-ash4/456359_3816325727146_1484469605_o.jpg)
Officers acting un-officer like
(https://fbcdn-sphotos-b-a.akamaihd.net/hphotos-ak-ash4/320384_4789753942243_746388925_n.jpg)
4 men about to go on provost. weapons are being checked.
(https://sphotos-b.xx.fbcdn.net/hphotos-ash3/2036_10200270494585511_1916844842_n.jpg)
Company on the march
(https://fbcdn-sphotos-g-a.akamaihd.net/hphotos-ak-prn1/775092_10200413367957256_27956012_o.jpg)
a Illinois regiment in menphis
(https://fbcdn-sphotos-f-a.akamaihd.net/hphotos-ak-frc1/904560_10200980765341836_1206329135_o.jpg)
Spoiler
(https://www.fsegames.eu/forum/proxy.php?request=http%3A%2F%2Fi.dailymail.co.uk%2Fi%2Fpix%2F2013%2F02%2F23%2Farticle-2283506-1839DFED000005DC-436_964x920.jpg&hash=60e5a492fb254182d4ab43e0aebea6a553772090)
Spoiler
(https://www.fsegames.eu/forum/proxy.php?request=http%3A%2F%2Fi.dailymail.co.uk%2Fi%2Fpix%2F2013%2F02%2F23%2Farticle-2283506-1839DFFD000005DC-86_964x772.jpg&hash=228fd9fed6a02f43519d692e9a9d9c5c019f50b2)
Colored Soldier of the 55th Massachusetts under guard. The sigh reads THEIF This man *name* 55th Mass. Vol's Stole money from a wounded FRIEND"
Spoiler
(https://scontent-2.2914.fna.fbcdn.net/hphotos-xpa1/t31.0-8/10321038_659216264132422_4656562923817717415_o.jpg)
High quality portriat of Federal Officers and staff
Spoiler
(https://scontent-2.2914.fna.fbcdn.net/hphotos-xpf1/t31.0-8/10887103_771950842858963_1970958812886669056_o.jpg)
US Heavy Artilleryman presenting bayonets. Notice the young officer with sash on the right.
Spoiler
(https://scontent-2.2914.fna.fbcdn.net/hphotos-xpa1/t31.0-8/10644491_775397482514299_4063593269418656860_o.jpg)
Federal Heavy Artillery Company
Spoiler
(https://scontent-2.2914.fna.fbcdn.net/hphotos-xfp1/t31.0-8/134824_101257593281996_2606091_o.jpg)
Colored Infantry Guarding Cannons
Spoiler
(https://fbcdn-sphotos-c-a.akamaihd.net/hphotos-ak-xfp1/t31.0-8/10679512_10152522477307133_2589618854173084923_o.jpg)
(https://scontent-b-sjc.xx.fbcdn.net/hphotos-xpf1/t31.0-8/10945699_10152522476852133_9170561924451938142_o.jpg)
He seems to have to best expressions in this movie
Spoiler
(https://i.imgur.com/gNDZiJv.gif)
Russian Sailors in Alexandria during the Civil War
Spoiler
(https://scontent-sjc.xx.fbcdn.net/hphotos-xfa1/t31.0-8/10321618_786291891424858_8077920045608543751_o.jpg)
1st Mass. Cavalry on Edisto Island, SC, probably spring 1862. I like the partially visible flag, too! The 1st Mass like many cav units was split up by groups of companies and saw service all over the place... mostly in Virginia
Spoiler
(https://scontent-sjc.xx.fbcdn.net/hphotos-xaf1/t31.0-8/11149818_812410222146358_5457926214320383351_o.jpg)
Federal Parade - Early War. Notice the white gloves and full marching order
Spoiler
(https://scontent-sjc.xx.fbcdn.net/hphotos-xfp1/t31.0-8/11089008_815922445128469_1800246497347716995_o.jpg)
This detail of New Hampshire men at the cooks galley have lots of cool elements and staples--newspaper, jaunty poses, a camp servant, cigars, pipes and a really, really long pipe! Life seemed pretty good on Hilton Head, mid-war...
Spoiler
(https://scontent-sjc.xx.fbcdn.net/hphotos-xpf1/v/t1.0-9/10996060_811703112217069_8419612758421889447_n.jpg?oh=4dec47174cf3ef43de7cfb12438ff5f3&oe=55FE0456)
Just mobbing no biggie
Spoiler
(https://scontent-sjc.xx.fbcdn.net/hphotos-xat1/v/t1.0-9/11146240_806718879382159_5154764274709734369_n.jpg?oh=34d25a67ccd67463e268e9c88a25d152&oe=56012552)
Notice the photobomg in the cannon wheel
Spoiler
(https://scontent-sjc.xx.fbcdn.net/hphotos-xpa1/t31.0-8/11130382_805013222886058_8300426374653475773_o.jpg)
wounded soldiers from the Battle of Spotsylvania
Spoiler
(https://scontent-sjc.xx.fbcdn.net/hphotos-xft1/t31.0-8/11080656_797572600296787_4836666054444210051_o.jpg)