We can't actually 1 hit someone else's Tardis, it still tells us who it belongs to. We use w/e to remove exteriors and I think if they are using w/e its obvious it's not a mob

Anyways back on topic

 Oh, okay, thanks for pointing that out.

 Exterior Suggestion:   Cactus,  Birch, Spruce, acacia, jungle and dark  oak wood exteriors.

Why I want this added: Great for camouflage, Just like the the floral exterior,   except the fact that oak trees are not the main tree of every biome,  and this would give more opportunity to blend in. 

How should this work: All of the trees would be the shortest naturally spawning variant of the tree,  the cactus would either be two or three blocks high.   For the doors,  they'd all work the same way our current floral exterior works, with a panel opening up.

What sets this apart from the rest: They make great camouflage and work better in the biomes that our current floral exterior doesnt work so well in.

Other Info:if pictures are necessary just ask and i'll make some up

Exterior Suggestion: The Delorian

Why Do I Want This Added: I think it would be really cool to see a time machine from another storyline to be used as an exterior for a time machine in a doctor who storyline.

How should this work: It would look the the model one in the game and the doors would still open upward like in back to the future but the windows would be tinted so you can't see inside. That way you aren't looking at the inside of something and then going inside and seeing something completely different.

What Sets This Apart From The Rest: Well I sort of answered that in the "Why Do I Want This Added."

 Exterior Suggestion: Hell Bent American Diner TARDIS

Why I want this added: I think this would work really well in a city environment, and since it's canon,  I hope you could add it!

How should this work: The diner has a door to the inside of the diner, this diner could have some real moving parts, which makes it more realistic. Behind a painting is the door to the interior.

What sets this apart from the rest: It would be one of the first, if not the first 'rather large TARDIS interior'

I've got a few suggestions. 

EXTERIOR SUGGESTION: Villager house

WHY I WANT IT: Well, so I can blend in when in a village. I mean, the TARDIS can't disguise itself as a farm can it?

HOW IT WOULD WORK: It's like a normal small house... Until you open the door and then BAM! You find its a TARDIS.

WHAT SETS THIS APART FROM THE REST: Its the only exterior that would fit in a village. If you want to go further, there could be 3 versions, one for each type of village.

EXTERIOR SUGGESTION: Well

WHY I WANT IT: If someone was opening lucky blocks (if they have that mod), then this would be the perfect disguise for a TARDIS. Opening alot of lucky blocks gets you quite a few wells. Also, sort fits in a village.

HOW SHOULD IT WORK: Clicking on the bit in the centre of the well would make the water disappear and allow you to enter your TARDIS interior.

WHAT SETS THIS APART: I don't think anyone has suggested a Well before.

Technically, the TARDIS had disguised itself as ionised gas before… If a TARDIS is disguised as an object that is too small for a standard sized door, then once the key is inserted, a door will appear hanging in midair outside the capsule.

If I may add to this suggestion; I'm not sure if you're referring to a desert well or a village well, but a dessert well exterior would be a great idea. Nobody ever uses them because they are worthless, and they are not too uncommon, thus it would be a great disguise in a dessert.

 Well (haha, a pun), I was talking about a 1x1 version of a village well, but I did think of adding a bit about the desert one, but forgot about it. So, both, because we need more disguises. I mean its all well and good having all these lovely Polices boxes, but they don't really blend in, which is what the Chameleon circuit is meant to do.

 Exterior Suggestion: TERDIS (A.K.A Porta Potty)

Why I want this added: it would be comical to add and it could be great for kewl builds! 

How should this work: Just like a  Default TARDIS exterior, except the front opens, well, like a porta-potty

What sets this apart from the rest: it would be unique and most likely have a different color. (e.g: light green, navy blue)

Exterior Suggestion: War TARDIS

Why I want this added: It would be cool to see another version of the default TARDIS exterior

How should this work: It would be the same as the default TARDIS exterior but with the Seal Of Rassilon and aesthetic guns

What sets this apart from the rest: You could use it in a Time War situation or as a roleplay TARDIS

Video with the exterior close i'm talking about: https://www.youtube.com/watch?v=_v3FNE31PcQ

Exterior Idea: JunkTardis

2nd Exterior Idea: DinerTardis

3rd Exterior Idea: RedTelephoneBooth

You have to use the format provided in the original post

How about adding some everyday objects for the Tardis to use in the Chameleon circuit, like a car or a house/shed or maby a vending macine? or furniture items?

 Exterior Suggestion:Pulowski Preservation Shelters

Why I want this added: The mod lacks some Rustic or weathered looking exteriors,  and has a little throwback to history with a twist.

How should this work:The doors would work by sliding open,  much like that of our current TT capsule. The inside could either be blacked out or have an actual inside to the model like in the images.

What sets this apart from the rest: These would look good in apocolyptic or war-themed towns, and gives something else that looks good on a street corner instead of police boxes or telephone booths.

Backstory: Pulowski preservation shelters are small structures in the fallout universe about the size of a portable toilet. They were advertised as 'Nuclear protection, on a budget', and were coin operated,  one person nuclear fallout shelters,  that would provide oxygen to the user until the bombs stopped dropping and it was somewhat safe to go outside. These were actually based off of a structure for just such an occasion made by Britain in WW2,

While fallout 3's version looks more Industrial,  and fallout 4's are made to look more eye pleasing.

Images: 

The clutter inside the shelters varies from shelter to shelter, the items inside the shelter of the provided images would not be in the model                       

Fallout 3's shelter 

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Fallout 4's shelter 

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 This is one of my favorite suggestions insofar, I'd actually love to make this! Would most likely base it on the real life example but this is really cool!