Pixlr is a free and probably the best web based image editor. I will show you how to open and and resize an image, I'm sure you will be impressed how well the web app actually works.
This one for all the people who would like to have a go at designing a nice, clean and stylish looking flyer but don't have much experience with Photoshop.
If you are using the same entries all over again, you can create a custom list with these entries and when you need it just enter the first one then drag the cell down for the rest to fill out automatically.
In Gmail there is no insert/upload image option by default. Let me show you how to enable the option so you can upload and insert an image into the email or insert an image by providing url.