Drupal Questions Answers

In my earlier question How to get node IDs from drupal.org?, I can get the XML data of a node by going to https://www.drupal.org/api-d7/node/274365.xml where 274365 is the node id of a particular page. In similar way I can access all the node in drupal...

Here is a screenprint to illustrate part of my current implementation:
This is what I want to achieve:
If the value of 'Admin Status' is not "Approved", then the author can still edit or delete his/her own content.

In this screnario, user's can post 1 node of a specific content type every 30 days (interval changes depending on user role). We are using node_limit to accomplish this; it's doesn't play with rules.
So, the idea is to schedule an email that will remind the user 30 days later to post a new article AND update a field in the user's account to displaye the last time the user posted. Once the node is saved, the rule should update the user field with...

I am an experienced PHP developer but am just finding my feet with Drupal. I am creating a personal website using the Bootstrap theme and want to upload some images/diagrams as part of it. They will be publicly available.
My question is, should I just create a directory in the web root, ftp the images there, and put raw <img> tags in my pages? Or should I install a module and get it to do the work for me?...