Butter & Dragon Flies

Ok, I suck at insect id'ing plus I do not have a fieldguide to help.

So, would appreciate if anyone can recommend any good insect field guide?

Oh ya, before I forget can someone please help and tell me what these are.
Thanks

[You must be registered and logged in to see this link.]
1. [You must be registered and logged in to see this link.] by [You must be registered and logged in to see this link.], on Flickr

[You must be registered and logged in to see this link.]
2. [You must be registered and logged in to see this link.] by [You must be registered and logged in to see this link.], on Flickr

[You must be registered and logged in to see this link.]
3. [You must be registered and logged in to see this link.] by [You must be registered and logged in to see this link.], on Flickr