This piece of anima armour inspired me to make a little informative post about Polish hussars you seem to like so much, but I had to finish my finals session to get to it. So, after 2 weeks, I finally can go with it:
First of all, Polish historians divided hussary's history and developement in 4 phases, depending on their equipment and the place they took in army.
1st phase
Those are pieces of much bigger painting "Battle of Orsha" that took place in 1514. It's the first known Polish depiction of hussars in the so called racki (Serbian) style, useing light, hollow lances and wooden, wing-shaped shields, dressing in the lavish Balkan-Hungarian style influenced also by they mortal enemy, the Turks. They came to Polish service through Mathias Corvin's Black Army in late 15th century (first written source about them in Polish army is from the year 1500). They were used either as a more maneuverable support for the traditional men-at-arms or in the eastern-most steppe part of the country as men-at-arms' cheaper and better suited for fighting the Tatars alternative. There's some discussion at which point they adopted some armour - in 15th century, while fighting under Hungarian command, they still fought in the traditional Balkan way, in padded clothing only, but in the first half of 16th century, in Polish recruitment documents they are shortly described as serving with "p.p.t.d." which stands for "przyłbica" now meaning close helmet in modern Polish, then it probably was applied to the skull cap or secrete helmet; "pancerz", which is haubergeon;"tarcza", the shield; and "drzewo", literally wood, but it meant lance. A saber was considered for them, and soon for most Polish army, a side arm so obvious that it didn't recquire mentioning, although some of them also used pallasches (straigh, wide single- or double- edged swords with curved saber hilt), warhammers and flanged maces. There's some evidence on the Orsha painting that by this time they already, or at least some of them, wore the helmets underneath their fur caps and top hats and mail under the kaftan.
2nd phase
By the late 16th century, hussars replaced altogether men-at-arms as heaviest type of Polish cavalry. During the reign of Stefan Batory, going by current Hungarian standards and some Muscovian influences, they started to wear mainly zischagges (some bourgonets, too) and added on top of mailshirts either anima cuirasses or bechters, which are like the thing in the last picture, armours of small metal plates kept together by mail. Also, use of the second sword, either pallasch or estoc-like "koncerz" became widespread and pistols started appearing amongst them. This phase lasted up to the very early 17th century. What's more, this is the phase during which appeared first evidence for their famous wings, specifically in the Stockholm Roll, where each hussar has a single, black feathered wing mounted to his saddle.
3rd phase
This phase lasted throughout most of 17th century, when hussars where most needed by the Commonwealth. In comparition with previous phase, the armour got heavier by adding pauldrons and "karwasze", oriental style vambraces that reached the elbow with a kind of shalow bowl and the cuirass transformed into half-anima, as the only part of your thorax that moves is your abdomen anyway. The pistols became universal. That's where the most iconic look of a hussar comes from.
4th phase
This is the decline of husaria. In the times when Wettin dynasty was on Polish-Lithuanian throne in 18th century, hussars became unreliable due to changing warfare and social decay of nobility which recruited the ranks of husaria for most of it's existance. It lacked skilled officers, who prefered to express their status by eschewing usual armour in favour of better looking but heavy, unwieldy and less protective scale armour ("karacena"). Another popular trend were scale, turban helmets or zischagges with metal wings on top. Also, from this phase comes most of exisitng specimens of armour with wings mounted on the backplate/straps keeping breastplate in place instead of backplate, which was pretty common in the previous phase.
And, that's all folks!!!