Hey Darren, please see below instructions. As per your second question, the images are provided by you but only amazon can upload them to your listing.

The 360° View experience is powered by a set of 24,48, or 72 images taken from a fixed elevation above the product at 5° intervals as you spin the product. The images can be created using traditional digital photography methods or using photo realistic renderings from 3D models. Digital photography images must be retouched to remove background details. Individual image files must follow a prescribed naming convention and be organized into a specific folder structure. Ultimately you will deliver one 360° View asset package in zip format per ASIN.
Please follow the below steps for uploading the 360 filename
Step 1: Photography
Prepare the ASIN for photography as you would normally, removing any product packaging. Do not include props along with the product.
2. Position the ASIN at the center of a turntable that has been indexed at every 5°.
3. Use seamless background paper beginning below the turn table and curving up and behind the ASIN.
4. Position the camera on a tripod at an appropriate distance from the ASIN.
5. Choose an elevation angle that appropriately showcases the product. Stay within 10-30° range.
6. Set your camera to manual mode so that your focus and exposure settings are consistent for all 24, 48, or 72 photos.
7. The first photo should showcase the ASIN at a 0° angle (facing straight on to the camera).
8. Rotate counter-clockwise as you take each photo.
Step 2: Retouch
Remove any background details from all 24, 48, or 72 images.
2. If you apply color balance or any other filters, make sure you apply the same adjustments uniformly across all 24, 48, or 72 images.
3. Crop each image such that the dimensions are square. Make sure the center of rotation is the center of each image.
4. Resize images to maximum 2,500px, minimum 1,500px.
5. Save in .png format.
Step 3: File Naming
Individual .png files must follow this format: _360web.png where is the Amazon Standard Identification Number for the product and is the 0-index, zero-padded integer representing the sequence of the image in its rotation. The first file will have 0000 and the last file will have 0071 as the sequence number.
2. The sequence should match the counter-clockwise rotation in which the images were captured.
Step 4: Send to Amazon
Organize the files into the following directory structure.
Example:
B01N32NCPM (.zip folder)
B01N32NCPM _360 (folder)
B01N32NCPM_360_0000_web.png
B01N32NCPM_360_0001_web.png
B01N32NCPM_360_0002_web.png
B01N32NCPM_360_0069_web.png
B01N32NCPM_360_0070_web.png
B01N32NCPM_360_0071_web.png
2. Package the files into a .zip file, retaining the directory structure. Name the .zip file using the ASIN (e.g. B01N32NCPM.zip).
Ensure that the _360 folder (containing the assets) is compressed into a .zip and the resulting folder renamed as just.
3. Publish the files to an internet-accessible location. Accepted protocols are HTTP. FTP is not supported. Amazon Web Service’s S3 offering is an effective option for storing and sharing large files.
4. Send a notification to your Amazon representative links to the .zip packages for download.