You can start by looking on fanfiction websites like Archive of Our Own (AO3). There are often a plethora of White Collar Neal Peter fanfictions there. Just use the search function and type in 'White Collar Neal Peter' and you'll get a list of relevant stories.
Fanfiction.net also has a good selection. Try searching for tags like 'White Collar', 'Peter Burke', and 'Neal Caffrey'. Some fanfictions might explore what would happen if Neal got into a situation where his past threatened to destroy his new life with Peter and the team. It could be really interesting to see how Peter would handle it to protect Neal.
Sure. 'The Art of the Con' is a great one. It delves deeper into Neal's past cons and how Peter helps him navigate through some new challenges while still maintaining their unique relationship. It has a lot of interesting plot twists.
There's a fanfiction titled 'In the Clutches of Danger: Neal'. This one is unique as it not only focuses on Neal's physical situation but also on the relationships that are affected by his kidnapping. For example, how his friends and colleagues react and how it changes their perception of him. Another good one is 'Neal's Captivity', which is a more psychological take on the kidnapping, exploring how Neal copes with being held against his will.
One common theme is the relationship between Neal and Peter. It could be about their friendship evolving into something deeper, like a father - son or a mentor - mentee relationship with a lot of emotional depth. Another theme is their adventures outside of the main plot of the show. For example, they might go on a secret mission together that wasn't in the original series.
Friendship is a very common theme. The unique bond between the law - abiding Peter and the con - artist Neal is often explored, like how they learn to trust each other despite their different backgrounds.
Another theme is friendship. They start as an FBI agent and a con - man, but over time, a deep friendship forms. Fanfictions often show how they support each other outside of work, like when Neal has personal problems and Peter is there for him, and vice versa.
You can try some popular fanfiction websites like Archive of Our Own (AO3). It has a large collection of various fanfictions, and you're likely to find some great neal and peter slash fanfiction there. Just use the search function and type in the relevant tags.
Neal might interact with Peter's son in a friendly and mentoring way. He could share his knowledge of art and culture, given his refined tastes. Maybe he'd teach the son some tricks about reading people, which is one of Neal's skills.
You can try Archive of Our Own (AO3). It has a large collection of fanfiction, including many 'neal x peter' ones. The site has a good search function that allows you to filter by tags like 'neal x peter' and other relevant criteria.
Another option is to check out some Glee or White Collar - specific fan forums. Fans often share their own fanfiction or recommend good ones they've read. These forums can also be a great place to discuss the concepts behind the crossovers, like how the different universes would interact and what kind of stories would be the most interesting. You might find some hidden gems that haven't been widely discovered on the larger fanfiction platforms.